Here you can find the source of leftPad(String str, int length)
Parameter | Description |
---|---|
str | a parameter |
public static String leftPad(String str, int length)
//package com.java2s; /*// w w w . j a v a 2 s .c om * Author(s): Pascal Heus (pheus@opendatafoundation.org) * * This product has been developed with the financial and * technical support of the UK Data Archive Data Exchange Tools * project (http://www.data-archive.ac.uk/dext/) and the * Open Data Foundation (http://www.opendatafoundation.org) * * Copyright 2007 University of Essex (http://www.esds.ac.uk) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA * The full text of the license is also available on the Internet at * http://www.gnu.org/copyleft/lesser.html * */ public class Main { /** * Pads a string left with spaces * * @param str * @return the padded string */ public static String leftPad(String str, int length) { return (leftPad(str, length, ' ')); } /** * Pads a string left with specified character * * @param str * @return the padded string */ public static String leftPad(String str, int length, char ch) { int padding = length - str.length(); if (padding > 0) { char[] buf = new char[padding]; for (int i = 0; i < padding; i++) buf[i] = ch; return (new String(buf) + str); } else return (str); } }