Here you can find the source of rightPad(String value, int makeLength, char paddingCharacter)
public static String rightPad(String value, int makeLength, char paddingCharacter)
//package com.java2s; /**//from w w w. j a v a2 s .co m * Copyright 2008-2009 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 rightPad(String value, int makeLength, char paddingCharacter) { if (makeLength <= 0) { throw new IllegalArgumentException("Pad length MUST be over zero"); } StringBuffer buffer = new StringBuffer(); buffer.append(value); buffer.append(buildString(paddingCharacter, makeLength - value.length())); return buffer.toString(); } private static String buildString(char character, int count) { StringBuffer buffer = new StringBuffer(); for (int i = 0; i < count; i++) { buffer.append(character); } return buffer.toString(); } }