src/share/classes/java/util/concurrent/ArrayBlockingQueue.java

*** 129,140 ****
      }
  
      /**
       * Returns item at index i.
       */
      final E itemAt(int i) {
!         return this.<E>cast(items[i]);
      }
  
      /**
       * Throws NullPointerException if argument is null.
       *
--- 129,141 ----
      }
  
      /**
       * Returns item at index i.
       */
+     @SuppressWarnings("unchecked")
      final E itemAt(int i) {
!         return (E) items[i];
      }
  
      /**
       * Throws NullPointerException if argument is null.
       *
*** 160,170 ****
       * Extracts element at current take position, advances, and signals.
       * Call only when holding lock.
       */
      private E extract() {
          final Object[] items = this.items;
!         E x = this.<E>cast(items[takeIndex]);
          items[takeIndex] = null;
          takeIndex = inc(takeIndex);
          --count;
          notFull.signal();
          return x;
--- 161,171 ----
       * Extracts element at current take position, advances, and signals.
       * Call only when holding lock.
       */
      private E extract() {
          final Object[] items = this.items;
!         @SuppressWarnings("unchecked") E x = (E) items[takeIndex];
          items[takeIndex] = null;
          takeIndex = inc(takeIndex);
          --count;
          notFull.signal();
          return x;
*** 645,655 ****
          try {
              int i = takeIndex;
              int n = 0;
              int max = count;
              while (n < max) {
!                 c.add(this.<E>cast(items[i]));
                  items[i] = null;
                  i = inc(i);
                  ++n;
              }
              if (n > 0) {
--- 646,657 ----
          try {
              int i = takeIndex;
              int n = 0;
              int max = count;
              while (n < max) {
!                 @SuppressWarnings("unchecked") E x = (E) items[i];
!                 c.add(x);
                  items[i] = null;
                  i = inc(i);
                  ++n;
              }
              if (n > 0) {
*** 682,692 ****
          try {
              int i = takeIndex;
              int n = 0;
              int max = (maxElements < count) ? maxElements : count;
              while (n < max) {
!                 c.add(this.<E>cast(items[i]));
                  items[i] = null;
                  i = inc(i);
                  ++n;
              }
              if (n > 0) {
--- 684,695 ----
          try {
              int i = takeIndex;
              int n = 0;
              int max = (maxElements < count) ? maxElements : count;
              while (n < max) {
!                 @SuppressWarnings("unchecked") E x = (E) items[i];
!                 c.add(x);
                  items[i] = null;
                  i = inc(i);
                  ++n;
              }
              if (n > 0) {