Here you can find the source of modifyString(char firstCharacter, String srcString, int indexOfSubstring)
private static String modifyString(char firstCharacter, String srcString, int indexOfSubstring)
//package com.java2s; /*/*from w ww . j a v a 2s . c o m*/ * Copyright (C) 2014 Square, Inc. * * 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 { private static String modifyString(char firstCharacter, String srcString, int indexOfSubstring) { return (indexOfSubstring < srcString.length()) ? firstCharacter + srcString.substring(indexOfSubstring) : String.valueOf(firstCharacter); } }