Java tutorial
//package com.java2s; /* * Copyright 2008 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 substringAfter(String str, String separator) { if (isEmpty(str)) { return str; } if (separator == null) { return ""; } int pos = str.indexOf(separator); if (pos == -1) { return ""; } return str.substring(pos + separator.length()); } public static boolean isEmpty(String string) { return (string == null || string.trim().length() == 0); } }