Example usage for java.util ArrayDeque remove

Introduction

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

Prototype

public E remove() 

Source Link

Document

Retrieves and removes the head of the queue represented by 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  .c  o  m
    deque.add(2);
    deque.add(1);
    deque.add(40);

    // this will remove element at the first(head) postion
    int retval = deque.remove();
    System.out.println("Element removed is: " + retval);

    System.out.println(deque);
}

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From source file:name.abhijitsarkar.algorithms.core.Sorter.java

private static int[] gather(ArrayDeque<int[]> stack) {
    int[] mergedBucket = null;

    while (!stack.isEmpty()) {
        mergedBucket = stack.remove();

        if (!stack.isEmpty()) {
            int[] bucket = stack.remove();

            mergedBucket = merge(mergedBucket, bucket);

            stack.add(mergedBucket);//  w w w  . ja  v  a 2  s.c o  m
        }
    }

    return mergedBucket;
}

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

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

    ArrayDeque<Object> deque = new ArrayDeque<>();
    try {//w  w  w  .  j a va  2 s. c o m
        deque.remove();
        fail();
    } catch (NoSuchElementException expected) {
    }

    deque.add(o1);
    assertEquals(o1, deque.remove());
    assertTrue(deque.isEmpty());

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

    try {
        deque.remove();
        fail();
    } catch (NoSuchElementException expected) {
    }
}

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