diff --git a/icu4j/demos/src/com/ibm/icu/dev/demo/messagepattern/MessagePatternUtilDemo.java b/icu4j/demos/src/com/ibm/icu/dev/demo/messagepattern/MessagePatternUtilDemo.java
index 2de520c423f..99a15cb363d 100644
--- a/icu4j/demos/src/com/ibm/icu/dev/demo/messagepattern/MessagePatternUtilDemo.java
+++ b/icu4j/demos/src/com/ibm/icu/dev/demo/messagepattern/MessagePatternUtilDemo.java
@@ -9,13 +9,13 @@
 
 package com.ibm.icu.dev.demo.messagepattern;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import com.ibm.icu.text.MessagePattern;
 import com.ibm.icu.text.MessagePatternUtil;
 import com.ibm.icu.text.MessagePatternUtil.VariantNode;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * Demo code for MessagePattern class.
  * @author Markus Scherer
diff --git a/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java b/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
index 7e87e63ff2b..17f7fae063c 100644
--- a/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
+++ b/icu4j/main/classes/collate/src/com/ibm/icu/text/Collator.java
@@ -20,9 +20,9 @@ import com.ibm.icu.impl.Norm2AllModes;
 import com.ibm.icu.lang.UScript;
 import com.ibm.icu.util.Freezable;
 import com.ibm.icu.util.ULocale;
+import com.ibm.icu.util.ULocale.Category;
 import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.VersionInfo;
-import com.ibm.icu.util.ULocale.Category;
 
 /**
 * {@icuenhanced java.text.Collator}.{@icu _usage_}
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/DateFormatSymbols.java b/icu4j/main/classes/core/src/com/ibm/icu/text/DateFormatSymbols.java
index 562839608a9..e9b5c775d7b 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/DateFormatSymbols.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/DateFormatSymbols.java
@@ -24,8 +24,8 @@ import com.ibm.icu.text.TimeZoneNames.NameType;
 import com.ibm.icu.util.Calendar;
 import com.ibm.icu.util.TimeZone;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 /**
  * {@icuenhanced java.text.DateFormatSymbols}.{@icu _usage_}
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/DateTimePatternGenerator.java b/icu4j/main/classes/core/src/com/ibm/icu/text/DateTimePatternGenerator.java
index d90b05ac491..06491b2534c 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/DateTimePatternGenerator.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/DateTimePatternGenerator.java
@@ -28,8 +28,8 @@ import com.ibm.icu.impl.Utility;
 import com.ibm.icu.util.Calendar;
 import com.ibm.icu.util.Freezable;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 /**
  * This class provides flexible generation of date format patterns, like
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/DecimalFormatSymbols.java b/icu4j/main/classes/core/src/com/ibm/icu/text/DecimalFormatSymbols.java
index c17a93d7671..dd4c30154f6 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/DecimalFormatSymbols.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/DecimalFormatSymbols.java
@@ -23,8 +23,8 @@ import com.ibm.icu.impl.ICUResourceBundle;
 import com.ibm.icu.impl.SimpleCache;
 import com.ibm.icu.util.Currency;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 /**
  * {@icuenhanced java.text.DecimalFormatSymbols}.{@icu _usage_}
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/MessagePatternUtil.java b/icu4j/main/classes/core/src/com/ibm/icu/text/MessagePatternUtil.java
index 03180cc4665..bbb482ceef9 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/MessagePatternUtil.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/MessagePatternUtil.java
@@ -9,8 +9,6 @@
 
 package com.ibm.icu.text;
 
-import com.ibm.icu.text.MessagePattern;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/NumberFormat.java b/icu4j/main/classes/core/src/com/ibm/icu/text/NumberFormat.java
index bb18572f86e..47d6200f842 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/NumberFormat.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/NumberFormat.java
@@ -22,12 +22,11 @@ import java.util.MissingResourceException;
 import java.util.Set;
 
 import com.ibm.icu.impl.ICUResourceBundle;
-import com.ibm.icu.text.NumberingSystem;
 import com.ibm.icu.util.Currency;
 import com.ibm.icu.util.CurrencyAmount;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 /**
  * {@icuenhanced java.text.NumberFormat}.{@icu _usage_}
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/NumberingSystem.java b/icu4j/main/classes/core/src/com/ibm/icu/text/NumberingSystem.java
index 13e87288ca4..ef73d868b19 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/NumberingSystem.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/NumberingSystem.java
@@ -16,9 +16,9 @@ import com.ibm.icu.impl.ICUResourceBundle;
 import com.ibm.icu.impl.SimpleCache;
 import com.ibm.icu.lang.UCharacter;
 import com.ibm.icu.util.ULocale;
+import com.ibm.icu.util.ULocale.Category;
 import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.UResourceBundleIterator;
-import com.ibm.icu.util.ULocale.Category;
 
 
 /**
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/RuleBasedNumberFormat.java b/icu4j/main/classes/core/src/com/ibm/icu/text/RuleBasedNumberFormat.java
index e3f2c9714bd..c5ce33886bc 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/RuleBasedNumberFormat.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/RuleBasedNumberFormat.java
@@ -21,9 +21,9 @@ import com.ibm.icu.impl.ICUDebug;
 import com.ibm.icu.impl.ICUResourceBundle;
 import com.ibm.icu.impl.PatternProps;
 import com.ibm.icu.util.ULocale;
+import com.ibm.icu.util.ULocale.Category;
 import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.UResourceBundleIterator;
-import com.ibm.icu.util.ULocale.Category;
 
 
 /**
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/TimeUnitFormat.java b/icu4j/main/classes/core/src/com/ibm/icu/text/TimeUnitFormat.java
index d50ee8f2433..7ea43a60b99 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/TimeUnitFormat.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/TimeUnitFormat.java
@@ -20,8 +20,8 @@ import com.ibm.icu.impl.ICUResourceBundle;
 import com.ibm.icu.util.TimeUnit;
 import com.ibm.icu.util.TimeUnitAmount;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 
 /**
diff --git a/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/DecimalFormatICU.java b/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/DecimalFormatICU.java
index e338a7846f7..43bc9efc964 100644
--- a/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/DecimalFormatICU.java
+++ b/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/DecimalFormatICU.java
@@ -17,7 +17,6 @@ import java.util.Currency;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Set;
 
 import com.ibm.icu.text.DecimalFormat;
 import com.ibm.icu.text.NumberFormat;
diff --git a/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/SimpleDateFormatICU.java b/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/SimpleDateFormatICU.java
index 84aa6bcdc27..b2ea5aabb77 100644
--- a/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/SimpleDateFormatICU.java
+++ b/icu4j/main/classes/localespi/src/com/ibm/icu/impl/jdkadapter/SimpleDateFormatICU.java
@@ -19,7 +19,6 @@ import java.util.GregorianCalendar;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Set;
 import java.util.TimeZone;
 
 import com.ibm.icu.impl.icuadapter.NumberFormatJDK;
diff --git a/icu4j/main/classes/translit/src/com/ibm/icu/text/Transliterator.java b/icu4j/main/classes/translit/src/com/ibm/icu/text/Transliterator.java
index 76e7dcd3aee..3466e1c8054 100644
--- a/icu4j/main/classes/translit/src/com/ibm/icu/text/Transliterator.java
+++ b/icu4j/main/classes/translit/src/com/ibm/icu/text/Transliterator.java
@@ -23,8 +23,8 @@ import com.ibm.icu.text.RuleBasedTransliterator.Data;
 import com.ibm.icu.text.TransliteratorIDParser.SingleID;
 import com.ibm.icu.util.CaseInsensitiveString;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.UResourceBundle;
 import com.ibm.icu.util.ULocale.Category;
+import com.ibm.icu.util.UResourceBundle;
 
 /**
  * <code>Transliterator</code> is an abstract class that transliterates text from one format to another. The most common
diff --git a/icu4j/main/tests/collate/src/com/ibm/icu/dev/test/collator/AlphabeticIndexTest.java b/icu4j/main/tests/collate/src/com/ibm/icu/dev/test/collator/AlphabeticIndexTest.java
index 68df9f49f97..8a3064ad70f 100644
--- a/icu4j/main/tests/collate/src/com/ibm/icu/dev/test/collator/AlphabeticIndexTest.java
+++ b/icu4j/main/tests/collate/src/com/ibm/icu/dev/test/collator/AlphabeticIndexTest.java
@@ -20,10 +20,9 @@ import java.util.TreeSet;
 import com.ibm.icu.dev.test.TestFmwk;
 import com.ibm.icu.dev.test.util.CollectionUtilities;
 import com.ibm.icu.impl.ICUDebug;
-import com.ibm.icu.impl.ICUResourceBundle;
 import com.ibm.icu.impl.Row;
-import com.ibm.icu.impl.Utility;
 import com.ibm.icu.impl.Row.R4;
+import com.ibm.icu.impl.Utility;
 import com.ibm.icu.lang.UProperty;
 import com.ibm.icu.lang.UScript;
 import com.ibm.icu.text.AlphabeticIndex;
@@ -37,9 +36,7 @@ import com.ibm.icu.text.RawCollationKey;
 import com.ibm.icu.text.RuleBasedCollator;
 import com.ibm.icu.text.UnicodeSet;
 import com.ibm.icu.util.ULocale;
-import com.ibm.icu.util.ULocale.Type;
 import com.ibm.icu.util.UResourceBundle;
-import com.ibm.icu.util.UResourceBundleIterator;
 
 /**
  * @author markdavis
diff --git a/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodeProperty.java b/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodeProperty.java
index 89ddd946e26..145fe81425c 100644
--- a/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodeProperty.java
+++ b/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodeProperty.java
@@ -21,9 +21,6 @@ import java.util.Map;
 import java.util.TreeMap;
 import java.util.regex.Pattern;
 
-import com.ibm.icu.dev.test.util.BagFormatter;
-import com.ibm.icu.dev.test.util.UnicodeLabel;
-import com.ibm.icu.dev.test.util.UnicodeMap;
 import com.ibm.icu.dev.test.util.CollectionUtilities.InverseMatcher;
 import com.ibm.icu.dev.test.util.CollectionUtilities.ObjectMatcher;
 import com.ibm.icu.impl.Utility;
diff --git a/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodePropertySymbolTable.java b/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodePropertySymbolTable.java
index d92fb2d94fe..1cecc663c8f 100644
--- a/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodePropertySymbolTable.java
+++ b/icu4j/main/tests/translit/src/com/ibm/icu/dev/test/util/UnicodePropertySymbolTable.java
@@ -9,8 +9,6 @@ package com.ibm.icu.dev.test.util;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
-import java.util.Set;
 
 import com.ibm.icu.dev.test.util.UnicodeProperty.PatternMatcher;
 import com.ibm.icu.impl.UnicodeRegex;