src/java.base/share/classes/java/util/ArrayDeque.java

rev 50902 : [mq]: 8206123-ArrayDeque-created-with-default-constructor-can-only-hold-15-elements

*** 178,188 ****
      /**
       * Constructs an empty array deque with an initial capacity
       * sufficient to hold 16 elements.
       */
      public ArrayDeque() {
!         elements = new Object[16];
      }
  
      /**
       * Constructs an empty array deque with an initial capacity
       * sufficient to hold the specified number of elements.
--- 178,189 ----
      /**
       * Constructs an empty array deque with an initial capacity
       * sufficient to hold 16 elements.
       */
      public ArrayDeque() {
!         // One extra slot for a null element at the tail
!         elements = new Object[16 + 1];
      }
  
      /**
       * Constructs an empty array deque with an initial capacity
       * sufficient to hold the specified number of elements.