Example usage for java.util ArrayDeque remove

Introduction

In this page you can find the example usage for java.util ArrayDeque remove.

Prototype

public boolean remove(Object o) 

Source Link

Document

Removes a single instance of the specified element from this deque.

Usage

From source file:Main.java

public static void main(String[] args) {

    ArrayDeque<Integer> deque = new ArrayDeque<Integer>(8);

    deque.add(25);//from w w  w  .j av a 2 s .com
    deque.add(2);
    deque.add(1);
    deque.add(40);

    System.out.println(deque);

    // deque contains element 2, returns true
    boolean retval = deque.remove(2);
    if (retval == true) {
        System.out.println("element 2 is removed from the deque");
    } else {
        System.out.println("element 2 is not contained in the deque");
    }
    System.out.println(deque);
}

---

From source file:com.google.gwt.emultest.java.util.ArrayDequeTest.java

public void testRemoveElement() {
    Object o1 = new Object();
    Object o2 = new Object();

    ArrayDeque<Object> deque = new ArrayDeque<>();
    assertFalse(deque.remove(o1));

    deque.add(o1);/*  ww  w. j ava2 s .c o  m*/
    assertTrue(deque.remove(o1));
    assertTrue(deque.isEmpty());

    deque.add(o1);
    deque.add(o2);
    assertTrue(deque.remove(o1));
    checkDequeSizeAndContent(deque, o2);
    assertTrue(deque.remove(o2));
    assertTrue(deque.isEmpty());

    assertFalse(deque.remove(null));
}

---