diff --git a/icu4j/build.properties b/icu4j/build.properties
index f31bff33a90..fe39225498d 100644
--- a/icu4j/build.properties
+++ b/icu4j/build.properties
@@ -4,3 +4,4 @@
 #*******************************************************************************
 api.report.version = 451
 api.report.prev.version = 44
+release.file.ver = 4_5_1
diff --git a/icu4j/build.xml b/icu4j/build.xml
index f414443fa26..d20658512a3 100644
--- a/icu4j/build.xml
+++ b/icu4j/build.xml
@@ -10,17 +10,34 @@
     <property name="shared.dir" value="main/shared"/>
     <import file="${shared.dir}/build/common-targets.xml"/>
 
+    <property environment="env"/>
+
+    <!-- icu4j binaries -->
     <property name="icu4j.jar.file" value="icu4j.jar"/>
     <property name="icu4jtests.jar.file" value="icu4jtests.jar"/>
     <property name="icu4j-charsets.jar.file" value="icu4j-charsets.jar"/>
     <property name="icu4j-localespi.jar.file" value="icu4j-localespi.jar"/>
-    <property name="icu4jdocs.jar.file" value="icu4jdocs.jar"/>
-    <property name="icu4jsrc.jar.file" value="icu4jsrc.jar"/>
+
     <property name="icu4jdemos.jar.file" value="icu4jdemos.jar"/>
 
-    <property name="doc.dir" value="doc"/>
+    <!-- icu4j release files -->
+    <property name="icu4j.jar.versioned.file" value="icu4j-${release.file.ver}.jar"/>
+    <property name="icu4j-charsets.jar.versioned.file" value="icu4j-charsets-${release.file.ver}.jar"/>
+    <property name="icu4j-localespi.jar.versioned.file" value="icu4j-localespi-${release.file.ver}.jar"/>
 
-    <property environment="env"/>
+    <property name="icu4j-src.jar.versioned.file" value="icu4j-${release.file.ver}-src.jar"/>
+    <property name="icu4j-charsets-src.jar.versioned.file" value="icu4j-charsets-${release.file.ver}-src.jar"/>
+    <property name="icu4j-localespi-src.jar.versioned.file" value="icu4j-localespi-${release.file.ver}-src.jar"/>
+
+    <property name="icu4jsrc.zip.file" value="icu4j-${release.file.ver}.zip"/>
+    <property name="icu4jsrc.tgz.file" value="icu4j-${release.file.ver}.tgz"/>
+
+    <property name="icu4jdocs.jar.file" value="icu4j-${release.file.ver}-docs.jar"/>
+
+    <!-- directories -->
+    <property name="release.dir" value="release"/>
+    <property name="doc.dir" value="doc"/>
+    <property name="release.dir" value="release"/>
 
     <!-- Java version check -->
     <condition property="is.java6.plus">
@@ -78,11 +95,12 @@
         <ant dir="${icu4j.tools.dir}" target="clean" inheritAll="false"/>
         <ant dir="${icu4j.demos.dir}" target="clean" inheritAll="false"/>
 
-        <!-- delete all .jar files in icu4j root directory -->
+        <!-- delete all .jar files root directory -->
         <delete>
             <fileset dir="." includes="icu4j*.jar"/>
         </delete>
 
+        <delete dir="${release.dir}"/>
         <delete dir="${doc.dir}"/>
         <delete dir="${out.dir}"/>
         <delete dir="${module.dir}"/>
@@ -92,7 +110,7 @@
     <target name="all" depends="info, main, tests, build-tools, tools, demos, jar, docs" description="Build all primary targets"/>
     <target name="main" depends="info, core, collate, charset, currdata, langdata, regiondata, translit, localespi" description="Build ICU4J runtime library classes"/>
     <target name="tests" depends="info, core-tests, charset-tests, collate-tests, packaging-tests, translit-tests, localespi-tests" description="Build ICU4J test classes"/>
-    <target name="releaseJar" depends="info, jar, jarDocs, jarSrc" description="Build all jar files for distribution"/>
+    <target name="release" depends="info, releaseBinaries, releaseSrcJars, releaseDocs, releaseSourceArchiveTgz" description="Build all ICU4J release files for distribution"/>
 
     <target name="secure" depends="icu4jJar" description="(Deprecated)Build ICU4J API and test classes for running the ICU4J test suite with Java security manager enabled"/>
     
@@ -334,28 +352,145 @@
         </jar>
     </target>
 
-    <target name="jarDocs" depends="docs" description="Build ICU4J API doc jar file">
-        <jar jarfile="${icu4jdocs.jar.file}" compress="true" basedir="${doc.dir}"/>
-    </target>
-
-    <target name="jarSrc" description="Build ICU4J source jar file">
-        <jar jarfile="${icu4jsrc.jar.file}" compress="true">
-            <fileset dir=".">
-                <include name="main/**/*"/>
-                <include name="demos/**/*"/>
-                <include name="tools/**/*"/>
-                <include name="*.html"/>
-                <include name="*.xml"/>
-                <include name="*.properties"/>
-                <exclude name="**/out/**/*"/>
-            </fileset>
-        </jar>
-    </target>
-
     <target name="jarDemos" depends="demos" description="Build ICU4J demo jar file">
         <copy file="${icu4j.demos.jar}" tofile="${icu4jdemos.jar.file}"/>
     </target>
 
+
+    <!-- release targests -->
+    <target name="releaseBinaries" depends="icu4jJar, charset, localespi" description="Build ICU4J binary files for distribution">
+        <mkdir dir="${release.dir}"/>
+        <copy file="${icu4j.jar.file}" tofile="${release.dir}/${icu4j.jar.versioned.file}"/>
+        <copy file="${icu4j.charset.jar}" tofile="${release.dir}/${icu4j-charsets.jar.versioned.file}"/>
+        <copy file="${icu4j.localespi.jar}" tofile="${release.dir}/${icu4j-localespi.jar.versioned.file}"/>
+    </target>
+
+    <target name="releaseSrcJars" description="Build ICU4J src jar files for distribution">
+        <!-- icu4j src-jar -->
+        <mkdir dir="${out.dir}"/>
+        <copy file="${icu4j.core.dir}/manifest.stub" todir="${out.dir}">
+            <filterset>
+                <filter token="SPECVERSION" value="${jar.spec.version}"/>
+                <filter token="IMPLVERSION" value="${jar.impl.version}"/>
+                <filter token="COPYRIGHT" value="${jar.copyright.info}"/>
+            </filterset>
+        </copy>
+
+        <mkdir dir="${release.dir}"/>
+        <jar jarfile="${release.dir}/${icu4j-src.jar.versioned.file}"
+                compress="true"
+                manifest="${out.dir}/manifest.stub">
+            <fileset dir="${icu4j.core.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${icu4j.collate.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${icu4j.currdata.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${icu4j.langdata.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${icu4j.regiondata.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${icu4j.translit.dir}/${src.dir}" includes="**/*.java"/>
+            <fileset dir="${shared.dir}/licenses">
+                <include name="license.html"/>
+                <include name="unicode-license.txt"/>
+            </fileset>
+        </jar>
+
+        <!-- charset/localespi src-jar -->
+        <ant dir="${icu4j.charset.dir}" target="src-jar" inheritAll="false"/>
+        <ant dir="${icu4j.localespi.dir}" target="src-jar" inheritAll="false"/>
+
+        <copy file="${icu4j.charset.dir}/${out.dir}/lib/icu4j-charset-src.jar" tofile="${release.dir}/${icu4j-charsets-src.jar.versioned.file}"/>
+        <copy file="${icu4j.localespi.dir}/${out.dir}/lib/icu4j-localespi-src.jar" tofile="${release.dir}/${icu4j-localespi-src.jar.versioned.file}"/>
+    </target>
+
+
+    <target name="releaseDocs" depends="docs" description="Build ICU4J API reference doc jar file for distribution">
+        <mkdir dir="${release.dir}"/>
+        <jar jarfile="${release.dir}/${icu4jdocs.jar.file}" compress="true" basedir="${doc.dir}"/>
+    </target>
+
+    <property name="src.release.wrk.dir" value="${out.dir}/tmpsrc"/>
+
+    <target name="releaseSourceArchiveZip" description="Build ICU4J source release archive (.zip)">
+        <delete dir="${src.release.wrk.dir}"/>
+        <delete file="${icu4jsrc.zip.file}"/>
+
+        <mkdir dir="${src.release.wrk.dir}"/>
+
+        <fixcrlf srcdir="."
+                destdir="${src.release.wrk.dir}"
+                encoding="UTF-8"
+                eol="crlf">
+            <include name="main/**/*"/>
+            <include name="demos/**/*"/>
+            <include name="tools/**/*"/>
+            <include name="*.html"/>
+            <include name="*.xml"/>
+            <include name="*.properties"/>
+            <exclude name="**/out/**/*"/>
+            <exclude name="**/*.jar"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/data/rbbi/english.dict"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/test/serializable/data/**/*.dat"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/test/util/Trie2Test.*.tri2"/>
+            <exclude name="tools/build/icu4j*.api*.gz"/>
+        </fixcrlf>
+
+        <mkdir dir="${release.dir}"/>
+        <zip destfile="${release.dir}/${icu4jsrc.zip.file}">
+            <fileset dir="${src.release.wrk.dir}" includes="**/*"/>
+            <fileset dir="${basedir}">
+                <include name="main/shared/data/*.jar"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/data/rbbi/english.dict"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/test/serializable/data/**/*.dat"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/test/util/Trie2Test.*.tri2"/>
+                <include name="tools/build/icu4j*.api*.gz"/>
+            </fileset>
+        </zip>
+
+        <delete dir="${src.release.wrk.dir}"/>
+    </target>
+
+    <target name="releaseSourceArchiveTgz" description="Build ICU4J source release archive (.tgz)">
+        <delete dir="${src.release.wrk.dir}"/>
+        <delete file="${icu4jsrc.tgz.file}"/>
+
+        <mkdir dir="${src.release.wrk.dir}"/>
+
+        <fixcrlf srcdir="."
+                destdir="${src.release.wrk.dir}"
+                encoding="UTF-8"
+                eol="lf">
+            <include name="main/**/*"/>
+            <include name="demos/**/*"/>
+            <include name="tools/**/*"/>
+            <include name="*.html"/>
+            <include name="*.xml"/>
+            <include name="*.properties"/>
+            <exclude name="**/out/**/*"/>
+            <exclude name="**/*.jar"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/data/rbbi/english.dict"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/test/serializable/data/**/*.dat"/>
+            <exclude name="main/tests/core/src/com/ibm/icu/dev/test/util/Trie2Test.*.tri2"/>
+            <exclude name="tools/build/icu4j*.api*.gz"/>
+        </fixcrlf>
+
+        <property name="icu4jsrc.tar" value="${out.dir}/icu4jsrc.tar"/>
+
+        <tar destfile="${icu4jsrc.tar}" longfile="gnu">
+            <fileset dir="${src.release.wrk.dir}" includes="**/*"/>
+            <fileset dir="${basedir}">
+                <include name="main/shared/data/*.jar"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/data/rbbi/english.dict"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/test/serializable/data/**/*.dat"/>
+                <include name="main/tests/core/src/com/ibm/icu/dev/test/util/Trie2Test.*.tri2"/>
+                <include name="tools/build/icu4j*.api*.gz"/>
+            </fileset>
+        </tar>
+
+        <mkdir dir="${release.dir}"/>
+        <gzip destfile="${release.dir}/${icu4jsrc.tgz.file}" src="${icu4jsrc.tar}"/>
+
+        <delete dir="${src.release.wrk.dir}"/>
+        <delete file="${icu4jsrc.tar}"/>
+    </target>
+
     <!-- compile targets -->
     <target name="core" description="Build core classes">
         <ant dir="${icu4j.core.dir}" inheritAll="false"/>
diff --git a/icu4j/demos/build.xml b/icu4j/demos/build.xml
index 3187e793838..a47a7c4de4a 100644
--- a/icu4j/demos/build.xml
+++ b/icu4j/demos/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.demos.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file
diff --git a/icu4j/main/classes/charset/build.xml b/icu4j/main/classes/charset/build.xml
index b9c0493f2ef..28efad3b7ee 100644
--- a/icu4j/main/classes/charset/build.xml
+++ b/icu4j/main/classes/charset/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.charset.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU core data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset>
diff --git a/icu4j/main/classes/collate/build.xml b/icu4j/main/classes/collate/build.xml
index 6d78df99d6a..a9d75b699e3 100644
--- a/icu4j/main/classes/collate/build.xml
+++ b/icu4j/main/classes/collate/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.collate.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU collation data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset includes="**/coll/*"/>
diff --git a/icu4j/main/classes/core/build.xml b/icu4j/main/classes/core/build.xml
index 6006c856306..5dad4a9e39a 100644
--- a/icu4j/main/classes/core/build.xml
+++ b/icu4j/main/classes/core/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.core.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU core data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset>
diff --git a/icu4j/main/classes/currdata/build.xml b/icu4j/main/classes/currdata/build.xml
index 3051404f6a0..2e48161b2e8 100644
--- a/icu4j/main/classes/currdata/build.xml
+++ b/icu4j/main/classes/currdata/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.currdata.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU currency data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset includes="**/curr/*"/>
diff --git a/icu4j/main/classes/langdata/build.xml b/icu4j/main/classes/langdata/build.xml
index 3f22b8e9e1a..51fc445c458 100644
--- a/icu4j/main/classes/langdata/build.xml
+++ b/icu4j/main/classes/langdata/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -13,8 +13,10 @@
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
     <property name="jar.file" value="${icu4j.langdata.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +28,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU language data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset includes="**/lang/*"/>
diff --git a/icu4j/main/classes/localespi/build.xml b/icu4j/main/classes/localespi/build.xml
index ca3a156b270..2239f0c230a 100644
--- a/icu4j/main/classes/localespi/build.xml
+++ b/icu4j/main/classes/localespi/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.localespi.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file
diff --git a/icu4j/main/classes/regiondata/build.xml b/icu4j/main/classes/regiondata/build.xml
index f990b764d2d..13c2ed8317b 100644
--- a/icu4j/main/classes/regiondata/build.xml
+++ b/icu4j/main/classes/regiondata/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.regiondata.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU region data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset includes="**/region/*"/>
diff --git a/icu4j/main/classes/translit/build.xml b/icu4j/main/classes/translit/build.xml
index f5ac7af1909..cd976512f41 100644
--- a/icu4j/main/classes/translit/build.xml
+++ b/icu4j/main/classes/translit/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.translit.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-data" description="Extract pre-built ICU transliteration data files and copy them to the project's binary directory">
         <unjar src="${icu4j.data.jar}" dest="${bin.dir}">
             <patternset includes="**/translit/*"/>
diff --git a/icu4j/main/shared/build/common-targets.xml b/icu4j/main/shared/build/common-targets.xml
index 1807f28f6db..8623516bf6b 100644
--- a/icu4j/main/shared/build/common-targets.xml
+++ b/icu4j/main/shared/build/common-targets.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -8,6 +8,7 @@
     <dirname property="common-targets.dir" file="${ant.file.common-targets}"/>
     <property file="${common-targets.dir}/locations.properties"/>
     <property file="${common-targets.dir}/common.properties"/>
+    <property environment="env"/>
 
     <!-- common targets -->
 
@@ -34,7 +35,8 @@
             classpathref="javac.classpathref"
             source="${javac.source}"
             target="${javac.target}"
-            debug="${javac.debug}">
+            debug="${javac.debug}"
+            includeAntRuntime="no">
             <compilerarg value="${javac.compilerarg}"/>
         </javac>
     </target>
@@ -59,7 +61,7 @@
             </filterset>
         </copy>
 
-        <jar jarfile="${jar.file}" manifest="${out.dir}/manifest.stub" compress="true">
+        <jar jarfile="${jar.dir}/${jar.name}" manifest="${out.dir}/manifest.stub" compress="true">
             <fileset dir="${bin.dir}" includes="**/*"/>
             <fileset dir="${shared.dir}/licenses">
                 <include name="license.html"/>
@@ -68,6 +70,26 @@
         </jar>
     </target>
 
+    <target name="@src-jar">
+        <mkdir dir="${jar.dir}"/>
+
+        <copy file="manifest.stub" todir="${out.dir}">
+            <filterset>
+                <filter token="SPECVERSION" value="${jar.spec.version}"/>
+                <filter token="IMPLVERSION" value="${jar.impl.version}"/>
+                <filter token="COPYRIGHT" value="${jar.copyright.info}"/>
+            </filterset>
+        </copy>
+
+        <jar jarfile="${jar.dir}/${src.jar.name}" manifest="${out.dir}/manifest.stub" compress="true">
+            <fileset dir="${src.dir}" includes="**/*.java"/>
+            <fileset dir="${shared.dir}/licenses">
+                <include name="license.html"/>
+                <include name="unicode-license.txt"/>
+            </fileset>
+        </jar>
+    </target>
+
     <target name="@build-all">
         <antcall target="_all.${ant.project.name}"/>
     </target>
@@ -222,7 +244,9 @@
     </target>
 
     <!-- build-tools -->
-    <path id="javac.classpathref.build-tools"/>
+    <path id="javac.classpathref.build-tools">
+        <pathelement location="${env.JAVA_HOME}/lib/tools.jar"/>
+    </path>
 
     <target name="_all.build-tools">
         <ant dir="${icu4j.build-tools.dir}" inheritAll="false"/>
diff --git a/icu4j/main/shared/build/common.properties b/icu4j/main/shared/build/common.properties
index 34e23b41d72..6b8489c25b9 100644
--- a/icu4j/main/shared/build/common.properties
+++ b/icu4j/main/shared/build/common.properties
@@ -35,7 +35,7 @@ icu4j.testdata.jar = ${shared.dir}/data/testdata.jar
 
 icu4j.core.jar = ${icu4j.core.dir}/${jar.dir}/icu4j-core.jar
 icu4j.collate.jar = ${icu4j.collate.dir}/${jar.dir}/icu4j-collate.jar
-icu4j.charset.jar = ${icu4j.charset.dir}/${jar.dir}/icu4j-charsets.jar
+icu4j.charset.jar = ${icu4j.charset.dir}/${jar.dir}/icu4j-charset.jar
 icu4j.currdata.jar = ${icu4j.currdata.dir}/${jar.dir}/icu4j-currdata.jar
 icu4j.langdata.jar = ${icu4j.langdata.dir}/${jar.dir}/icu4j-langdata.jar
 icu4j.localespi.jar = ${icu4j.localespi.dir}/${jar.dir}/icu4j-localespi.jar
diff --git a/icu4j/main/tests/charset/build.xml b/icu4j/main/tests/charset/build.xml
index af65eff6694..f412b8bd607 100644
--- a/icu4j/main/tests/charset/build.xml
+++ b/icu4j/main/tests/charset/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.charset-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-charset-test-data" description="Extract pre-built ICU charset test data files and copy them to the project's binary directory">
         <unjar src="${icu4j.testdata.jar}" dest="${bin.dir}">
             <patternset>
diff --git a/icu4j/main/tests/collate/build.xml b/icu4j/main/tests/collate/build.xml
index f0021e0bc8f..abbf27e1b10 100644
--- a/icu4j/main/tests/collate/build.xml
+++ b/icu4j/main/tests/collate/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.collate-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-collate-test-data" description="Extract pre-built ICU collation test data files and copy them to the project's binary directory">
         <unjar src="${icu4j.testdata.jar}" dest="${bin.dir}">
             <patternset>
diff --git a/icu4j/main/tests/core/build.xml b/icu4j/main/tests/core/build.xml
index d83fa4d6066..08d61018416 100644
--- a/icu4j/main/tests/core/build.xml
+++ b/icu4j/main/tests/core/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.core-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-test-data" description="Extract pre-built ICU core test data files and copy them to the project's binary directory">
         <unjar src="${icu4j.testdata.jar}" dest="${bin.dir}">
             <patternset>
diff --git a/icu4j/main/tests/framework/build.xml b/icu4j/main/tests/framework/build.xml
index 0b92cdaf8d6..c6a4cc20341 100644
--- a/icu4j/main/tests/framework/build.xml
+++ b/icu4j/main/tests/framework/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.test-framework.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file
diff --git a/icu4j/main/tests/localespi/build.xml b/icu4j/main/tests/localespi/build.xml
index cb010ef0869..a954cd7e6f2 100644
--- a/icu4j/main/tests/localespi/build.xml
+++ b/icu4j/main/tests/localespi/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.localespi-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file
diff --git a/icu4j/main/tests/packaging/build.xml b/icu4j/main/tests/packaging/build.xml
index 6ccec51886c..46606b2ab3a 100644
--- a/icu4j/main/tests/packaging/build.xml
+++ b/icu4j/main/tests/packaging/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.packaging-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -22,10 +23,9 @@
 
     <target name="compile" depends="@compile" description="Compile java source files"/>
 
-    <target name="copy" depends="@copy, copy-test-data" description="Copy non-java runtime files to the project's binary directory"/>
+    <target name="copy" depends="@copy" description="Copy non-java runtime files to the project's binary directory"/>
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
-    <target name="copy-test-data" description="Extract pre-built ICU core test data files and copy them to the project's binary directory"/>
-
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
diff --git a/icu4j/main/tests/translit/build.xml b/icu4j/main/tests/translit/build.xml
index 1546c6cd951..486a0aef18a 100644
--- a/icu4j/main/tests/translit/build.xml
+++ b/icu4j/main/tests/translit/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.translit-tests.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,6 +27,8 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
+
     <target name="copy-translit-test-data" description="Extract pre-built ICU collation test data files and copy them to the project's binary directory">
         <copy todir="${bin.dir}">
             <fileset dir="${icu4j.translit-tests.dir}/src">
diff --git a/icu4j/tools/build/build.xml b/icu4j/tools/build/build.xml
index d236cd4a08d..9a565bfcdd3 100644
--- a/icu4j/tools/build/build.xml
+++ b/icu4j/tools/build/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,7 +12,8 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.build-tools.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
     <target name="build" depends="compile, copy, jar" description="Build the project"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file
diff --git a/icu4j/tools/misc/build.xml b/icu4j/tools/misc/build.xml
index ddd98b69796..ab126a6e01c 100644
--- a/icu4j/tools/misc/build.xml
+++ b/icu4j/tools/misc/build.xml
@@ -1,6 +1,6 @@
 <!--
 *******************************************************************************
-* Copyright (C) 2009, International Business Machines Corporation and         *
+* Copyright (C) 2009-2010, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 -->
@@ -12,9 +12,10 @@
     <path id="javac.classpathref">
         <path refid="javac.classpathref.${ant.project.name}"/>
     </path>
-    <property name="jar.file" value="${icu4j.tools.jar}"/>
+    <property name="jar.name" value="icu4j-${ant.project.name}.jar"/>
+    <property name="src.jar.name" value="icu4j-${ant.project.name}-src.jar"/>
 
-    <target name="build" depends="compile, copy, jar" description="Build the project"/>
+    <target name="build" depends="compile, copy, jar, src-jar" description="Build the project"/>
 
     <target name="build-all" depends="@build-all" description="Build the project including all dependencies"/>
 
@@ -26,4 +27,5 @@
 
     <target name="jar" depends="compile, copy, @jar" description="Create the project's jar file"/>
 
+    <target name="src-jar" depends="@src-jar" description="Create the proeject's source jar file"/>
 </project>
\ No newline at end of file