Here you can find the source of join(final String sep, final Iterable
Parameter | Description |
---|---|
sep | the separator |
strs | the strings to join |
public static String join(final String sep, final Iterable<String> strs)
//package com.java2s; /*/*from w w w. j a v a 2s .co m*/ * Copyright 2011 Greg Haines * * 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. */ import java.util.Arrays; public class Main { /** * Join the given strings, separated by the given separator. * * @param sep * the separator * @param strs * the strings to join * @return the joined string */ public static String join(final String sep, final String... strs) { return join(sep, Arrays.asList(strs)); } /** * Join the given strings, separated by the given separator. * * @param sep * the separator * @param strs * the strings to join * @return the joined string */ public static String join(final String sep, final Iterable<String> strs) { final StringBuilder buf = new StringBuilder(); String prefix = ""; for (final String str : strs) { buf.append(prefix).append(str); prefix = sep; } return buf.toString(); } }