4 files changed, 5 insertions, 5 deletions
diff --git a/java/src/IceInternal/BasicStream.java b/java/src/IceInternal/BasicStream.java
index c4f63d381f3..4fe0161e61a 100644
--- a/java/src/IceInternal/BasicStream.java
+++ b/java/src/IceInternal/BasicStream.java
@@ -1023,7 +1023,7 @@ public class BasicStream
     private byte[] _stringBytes; // Reusable array for reading strings
     private char[] _stringChars; // Reusable array for reading strings
 
-    private static class ReadEncaps
+    private static final class ReadEncaps
     {
         int start;
         byte encoding;
@@ -1031,7 +1031,7 @@ public class BasicStream
         ReadEncaps next;
     }
 
-    private static class WriteEncaps
+    private static final class WriteEncaps
     {
         int start;
         byte encoding;
diff --git a/java/src/IceInternal/BufferManager.java b/java/src/IceInternal/BufferManager.java
index acae1d7470b..3c513577dc3 100644
--- a/java/src/IceInternal/BufferManager.java
+++ b/java/src/IceInternal/BufferManager.java
@@ -118,7 +118,7 @@ final class BufferManager
         }
     }
 
-    private static class BufferNode
+    private static final class BufferNode
     {
         java.nio.ByteBuffer buf;
         int capacity;
diff --git a/java/src/IceInternal/IntMap.java b/java/src/IceInternal/IntMap.java
index 4d4d11c4cc4..24cd7dd9ac4 100755
--- a/java/src/IceInternal/IntMap.java
+++ b/java/src/IceInternal/IntMap.java
@@ -164,7 +164,7 @@ public class IntMap
         return new EntryIterator();
     }
 
-    public static class Entry
+    public static final class Entry
     {
         int key;
         Object value;
diff --git a/java/src/IceInternal/Network.java b/java/src/IceInternal/Network.java
index 2f5634411f3..4bbf129bb73 100644
--- a/java/src/IceInternal/Network.java
+++ b/java/src/IceInternal/Network.java
@@ -364,7 +364,7 @@ public final class Network
         return host;
     }
 
-    public static class SocketPair
+    public static final class SocketPair
     {
         public java.nio.channels.spi.AbstractSelectableChannel source;
         public java.nio.channels.WritableByteChannel sink;