src/share/classes/com/sun/tools/hat/internal/util/CompositeEnumeration.java

@@ -32,25 +32,26 @@
 
 package com.sun.tools.hat.internal.util;
 
 import java.util.Enumeration;
 import java.util.NoSuchElementException;
+import com.sun.tools.hat.internal.model.JavaHeapObject;
 
-public class CompositeEnumeration implements Enumeration {
-    Enumeration e1;
-    Enumeration e2;
+public class CompositeEnumeration implements Enumeration<JavaHeapObject> {
+    Enumeration<JavaHeapObject> e1;
+    Enumeration<JavaHeapObject> e2;
 
-    public CompositeEnumeration(Enumeration e1, Enumeration e2) {
+    public CompositeEnumeration(Enumeration<JavaHeapObject> e1, Enumeration<JavaHeapObject> e2) {
         this.e1 = e1;
         this.e2 = e2;
     }
 
     public boolean hasMoreElements() {
         return e1.hasMoreElements() || e2.hasMoreElements();
     }
 
-    public Object nextElement() {
+    public JavaHeapObject nextElement() {
         if (e1.hasMoreElements()) {
             return e1.nextElement();
         }
 
         if (e2.hasMoreElements()) {