Examples of java.util.Deque.push()

• java.util.Deque.push()
  Pushes an element onto the stack represented by this deque (in other words, at the head of this deque) if it is possible to do so immediately without violating capacity restrictions, returning true upon success and throwing an IllegalStateException if no space is currently available.

  This method is equivalent to {@link #addFirst}. @param e the element to push @throws IllegalStateException if the element cannot be added at thistime due to capacity restrictions @throws ClassCastException if the class of the specified elementprevents it from being added to this deque @throws NullPointerException if the specified element is null and thisdeque does not permit null elements @throws IllegalArgumentException if some property of the specifiedelement prevents it from being added to this deque