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 Tools and Libs > Commons Lang3 > Strings > Trim To Empty

Trim To Empty 

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.trimToEmpty() API. If the given string is NULL it returns EMPTY, otherwise trims the given string.

File Name  :  
com/bethecoder/tutorials/commons_lang/tests/strings/TrimToEmptyTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.commons_lang.tests.strings;

import org.apache.commons.lang3.StringUtils;

public class TrimToEmptyTest {

  /**
   @param args
   */
  public static void main(String[] args) {
    System.out.println(StringUtils.trimToEmpty(null));          //""
    System.out.println(StringUtils.trimToEmpty(""));      //""
    System.out.println(StringUtils.trimToEmpty(" "));      //""
    System.out.println(StringUtils.trimToEmpty(" BTC     "));   //BTC
  }

}
   

It gives the following output,



BTC


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