Method insertLast

DesignCircularDeque.java:25–33

(int value)

    }
    
    public boolean insertLast(int value) {
        if(isFull()){
            return false;
        }
        rear = (rear + 1) % capacity;
        deque[rear] = value;
        size++;
        return true;
    }
    
    public boolean deleteFront() {
         if(isEmpty()){