Apache Commons Lang 3.0 is a java library with lot of utilities and reusable components. This requires the library commons-lang3-3.0.1.jar to be in classpath. The following example shows using StringUtils.leftPad() API.
package com.bethecoder.tutorials.commons_lang.tests.strings; import org.apache.commons.lang3.StringUtils; public class LeftPadTest { /** * @param args */ public static void main(String[] args) { System.out.println(StringUtils.leftPad("9", 5, "0")); System.out.println(StringUtils.leftPad("99", 5, "0")); System.out.println(StringUtils.leftPad("999", 5, "0")); System.out.println(StringUtils.leftPad("9999", 5, "0")); System.out.println(StringUtils.leftPad("99999", 5, "0")); } }
00009 00099 00999 09999 99999
