Here you can find the source of suffix(String value, String prefix)
public static String suffix(String value, String prefix)
//package com.java2s; /* Copyright (c) 2016 W.T.J. Riezebos * * 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./*from ww w . j a va 2 s . c o m*/ */ public class Main { public static String suffix(String value, String prefix) { if (value == null) return prefix; if (!value.endsWith(prefix)) value += prefix; return value; } }