Here you can find the source of arrayToStr(String[] o)
public static String arrayToStr(String[] o)
//package com.java2s; /*//from ww w . j a v a 2s . co m * Copyright 2011-2016 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static String arrayToStr(String[] o) { String str = ""; if (o == null || o.length < 1) return ""; for (String s : o) str += s + ","; return str.substring(0, str.length() - 1); } }