Here you can find the source of rightPad(String s, int minLength, char filling)
public static String rightPad(String s, int minLength, char filling)
//package com.java2s; /**/*w ww .j a v a 2 s .c o m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 rightPad(String s, int minLength, char filling) { int ln = s.getBytes().length; if (minLength <= ln) { return s; } StringBuilder res = new StringBuilder(minLength); res.append(s); int dif = minLength - ln; for (int i = 0; i < dif; i++) { res.append(filling); } return res.toString(); } }