src/share/classes/java/util/TreeMap.java

rev 3186 : 6880112: Project Coin: Port JDK core library code to use diamond operator

@@ -531,11 +531,11 @@
             // TBD:
             // 5045147: (coll) Adding null to an empty TreeSet should
             // throw NullPointerException
             //
             // compare(key, key); // type check
-            root = new Entry<K,V>(key, value, null);
+            root = new Entry<>(key, value, null);
             size = 1;
             modCount++;
             return null;
         }
         int cmp;

@@ -567,11 +567,11 @@
                     t = t.right;
                 else
                     return t.setValue(value);
             } while (t != null);
         }
-        Entry<K,V> e = new Entry<K,V>(key, value, parent);
+        Entry<K,V> e = new Entry<>(key, value, parent);
         if (cmp < 0)
             parent.left = e;
         else
             parent.right = e;
         fixAfterInsertion(e);

@@ -1067,18 +1067,18 @@
             m.remove(o);
             return size() != oldSize;
         }
         public NavigableSet<E> subSet(E fromElement, boolean fromInclusive,
                                       E toElement,   boolean toInclusive) {
-            return new KeySet<E>(m.subMap(fromElement, fromInclusive,
+            return new KeySet<>(m.subMap(fromElement, fromInclusive,
                                           toElement,   toInclusive));
         }
         public NavigableSet<E> headSet(E toElement, boolean inclusive) {
-            return new KeySet<E>(m.headMap(toElement, inclusive));
+            return new KeySet<>(m.headMap(toElement, inclusive));
         }
         public NavigableSet<E> tailSet(E fromElement, boolean inclusive) {
-            return new KeySet<E>(m.tailMap(fromElement, inclusive));
+            return new KeySet<>(m.tailMap(fromElement, inclusive));
         }
         public SortedSet<E> subSet(E fromElement, E toElement) {
             return subSet(fromElement, true, toElement, false);
         }
         public SortedSet<E> headSet(E toElement) {

@@ -1203,11 +1203,11 @@
     /**
      * Return SimpleImmutableEntry for entry, or null if null
      */
     static <K,V> Map.Entry<K,V> exportEntry(TreeMap.Entry<K,V> e) {
         return (e == null) ? null :
-            new AbstractMap.SimpleImmutableEntry<K,V>(e);
+            new AbstractMap.SimpleImmutableEntry<>(e);
     }
 
     /**
      * Return key for entry, or null if null
      */

@@ -2404,11 +2404,11 @@
         } else { // use stream
             key = (K) str.readObject();
             value = (defaultVal != null ? defaultVal : (V) str.readObject());
         }
 
-        Entry<K,V> middle =  new Entry<K,V>(key, value, null);
+        Entry<K,V> middle =  new Entry<>(key, value, null);
 
         // color nodes in non-full bottommost level red
         if (level == redLevel)
             middle.color = RED;