Java tutorial
//package com.java2s; import java.util.Arrays; public class Main { public static String[] contact(String[] strs1, String[] strs2) { if (strs1 == null || strs2 == null) { return null; } String[] result = Arrays.copyOf(strs1, strs1.length + strs2.length); System.arraycopy(strs2, 0, result, strs1.length, strs2.length); return result; } public static String[] contact(String[] strs1, String str) { return contact(strs1, new String[] { str }); } }