Java Array Contain arrayContains(String[] parent, String[] child)

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Description

test if all items in parent also appears in child child array will be sorted

License

Apache License

Parameter

Parameter Description
parent a parameter
child a parameter

Declaration 

public static boolean arrayContains(String[] parent, String[] child)

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.Arrays;

public class Main {
    /**//from  ww w . ja v  a  2 s  . co m
     * test if all items in parent also appears in child child array will be sorted
     * 
     * @param parent
     * @param child
     * @return
     */
    public static boolean arrayContains(String[] parent, String[] child) {
        if (parent == null || parent.length == 0) {
            return true;
        }

        Arrays.sort(child);
        for (String i : parent) {
            if (Arrays.binarySearch(child, i) < 0) {
                return false;
            }
        }
        return true;

    }
}

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