Uncapitalize 

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.uncapitalize() API. It un-capitalizes the given string by changing only the first letter of string to lower case.

File Name  :   com/bethecoder/tutorials/commons_lang/tests/strings/UnCapitalizeTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.commons_lang.tests.strings; import org.apache.commons.lang3.StringUtils; public class UnCapitalizeTest {   /**    * @param args    */   public static void main(String[] args) {               System.out.println(StringUtils.uncapitalize(null));     System.out.println(StringUtils.uncapitalize(""));     System.out.println(StringUtils.uncapitalize("Name"));     System.out.println(StringUtils.uncapitalize("Age"));     System.out.println(StringUtils.uncapitalize("AGE"));     System.out.println(StringUtils.uncapitalize("AGe"));   } }

null

name
age
aGE
aGe