java: make inner classes static where possible

Change-Id: Icc6444ad15d9f4b50858d8c1b1d3adeaeac40926

1 files changed, 2 insertions, 2 deletions

diff --git a/comphelper/qa/complex/comphelper/Map.java b/comphelper/qa/complex/comphelper/Map.java
index cb6c983e6daf..278f5a79923c 100644
--- a/comphelper/qa/complex/comphelper/Map.java
+++ b/comphelper/qa/complex/comphelper/Map.java
@@ -254,11 +254,11 @@ public class Map
         return someValue;
     }
 
-    private class DummyInterface implements XInterface
+    private static class DummyInterface implements XInterface
     {
     }
 
-    private class DummySet implements XSet
+    private static class DummySet implements XSet
     {
         public boolean has( Object arg0 )       { throw new UnsupportedOperationException( "Not implemented." ); }
         public void insert( Object arg0 )       { throw new UnsupportedOperationException( "Not implemented." ); }