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 Tools and Libs > Commons Lang3 > Strings > Join

Join 

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.join() API.

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

import org.apache.commons.lang3.StringUtils;

public class JoinTest {

  /**
   @param args
   */
  public static void main(String[] args) {
     
    System.out.println(StringUtils.join(null));
    System.out.println(StringUtils.join(new Object [] {}));
    System.out.println(StringUtils.join("a""b""c""d"));
    System.out.println(StringUtils.join("one""", null, "two"));
  }

}
   

It gives the following output,
null

abcd
onetwo


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