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

rev 7932 : 8021591: Additional explicit null checks
Reviewed-by: psandoz, martin, alanb

*** 1010,1020 ****
      public void replaceAll(BiFunction<? super K, ? super V, ? extends V> function) {
          Objects.requireNonNull(function);
          int expectedModCount = modCount;
  
          for (Entry<K, V> e = getFirstEntry(); e != null; e = successor(e)) {
!             e.value = Objects.requireNonNull(function.apply(e.key, e.value));
  
              if (expectedModCount != modCount) {
                  throw new ConcurrentModificationException();
              }
          }
--- 1010,1020 ----
      public void replaceAll(BiFunction<? super K, ? super V, ? extends V> function) {
          Objects.requireNonNull(function);
          int expectedModCount = modCount;
  
          for (Entry<K, V> e = getFirstEntry(); e != null; e = successor(e)) {
!             e.value = function.apply(e.key, e.value);
  
              if (expectedModCount != modCount) {
                  throw new ConcurrentModificationException();
              }
          }