如果数组a包含数组b的所有元素，则返回true

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 /**
  from
 * n o w  j a v a  . c o m 
 **/

//package com.nowjava;


public class Main {

    public static void main(String[] argv) throws Exception {

        Object[] arra = new String[] { "1", "abc", "level", null,

                "nowjava.com", "asdf 123" };

        Object[] arrb = new String[] { "1", "abc", "level", null,

                "nowjava.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;

                }

            }
            /*
            时 代      J a v a   公   众 号 - nowjava.com 提 供
            */


            return false;

        }


        return true;

    }


    /**

     * returns true if arra contains all elements of arrb

     *

     * @param arra int[]

     * @param arrb int[]

     */