src/share/classes/sun/awt/datatransfer/DataTransferer.java

@@ -68,26 +68,11 @@
 import java.security.PrivilegedAction;
 import java.security.PrivilegedActionException;
 import java.security.PrivilegedExceptionAction;
 import java.security.ProtectionDomain;
 
-import java.util.AbstractMap;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.SortedMap;
-import java.util.SortedSet;
-import java.util.Set;
-import java.util.Stack;
-import java.util.TreeMap;
-import java.util.TreeSet;
+import java.util.*;
 
 import sun.util.logging.PlatformLogger;
 
 import sun.awt.AppContext;
 import sun.awt.SunToolkit;

@@ -2265,21 +2250,21 @@
     /**
      * Returns platform-specific mappings for the specified native.
      * If there are no platform-specific mappings for this native, the method
      * returns an empty <code>List</code>.
      */
-    public List<DataFlavor> getPlatformMappingsForNative(String nat) {
-        return new ArrayList<>();
+    public LinkedHashSet<DataFlavor> getPlatformMappingsForNative(String nat) {
+        return new LinkedHashSet<>();
     }
 
     /**
      * Returns platform-specific mappings for the specified flavor.
      * If there are no platform-specific mappings for this flavor, the method
      * returns an empty <code>List</code>.
      */
-    public List<String> getPlatformMappingsForFlavor(DataFlavor df) {
-        return new ArrayList<>();
+    public LinkedHashSet<String> getPlatformMappingsForFlavor(DataFlavor df) {
+        return new LinkedHashSet<>();
     }
 
     /**
      * A Comparator which includes a helper function for comparing two Objects
      * which are likely to be keys in the specified Map.