returns true if array a contains all elements of array b - Java Collection Framework

Java examples for Collection Framework:Array Contain

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Description

returns true if array a contains all elements of array b

Demo Code

/* Copyright (c) 2001-2010, The HSQL Development Group
 * All rights reserved.//from   w w  w  . j  a v  a2s. co  m
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
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 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
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 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        Object[] arra = new String[] { "1", "abc", "level", null,
                "java2s.com", "asdf 123" };
        Object[] arrb = new String[] { "1", "abc", "level", null,
                "java2s.com", "asdf 123" };
        System.out.println(containsAll(arra, arrb));
    }

    /**
     * returns true if arra contains all elements of arrb
     *
     * @param arra Object[]
     * @param arrb Object[]
     */
    public static boolean containsAll(Object[] arra, Object[] arrb) {

        mainLoop: for (int i = 0; i < arrb.length; i++) {
            for (int j = 0; j < arra.length; j++) {
                if (arrb[i] == arra[j] || arrb[i].equals(arra[j])) {
                    continue mainLoop;
                }
            }

            return false;
        }

        return true;
    }

    /**
     * returns true if arra contains all elements of arrb
     *
     * @param arra int[]
     * @param arrb int[]
     */
    public static boolean containsAll(int[] arra, int[] arrb) {

        mainLoop: for (int i = 0; i < arrb.length; i++) {
            for (int j = 0; j < arra.length; j++) {
                if (arrb[i] == arra[j]) {
                    continue mainLoop;
                }
            }

            return false;
        }

        return true;
    }
}

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