Here you can find the source of mergeArrayToString(final String[] array)
public static String mergeArrayToString(final String[] array)
//package com.java2s; /*/*from w w w . j ava2 s .c o m*/ * Twidere - Twitter client for Android * * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String mergeArrayToString(final String[] array) { if (array == null) return null; final StringBuilder builder = new StringBuilder(); for (final String c : array) { builder.append(c); } return builder.toString(); } public static String toString(final long[] array, final char token, final boolean include_space) { final StringBuilder builder = new StringBuilder(); final int length = array.length; for (int i = 0; i < length; i++) { final String id_string = String.valueOf(array[i]); if (id_string != null) { if (i > 0) { builder.append(include_space ? token + " " : token); } builder.append(id_string); } } return builder.toString(); } public static String toString(final Object[] array, final char token, final boolean include_space) { final StringBuilder builder = new StringBuilder(); final int length = array.length; for (int i = 0; i < length; i++) { final String id_string = String.valueOf(array[i]); if (id_string != null) { if (i > 0) { builder.append(include_space ? token + " " : token); } builder.append(id_string); } } return builder.toString(); } }