Join Separator String 

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. It joins the given array of elements with provided string separator.

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

package com.bethecoder.tutorials.commons_lang.tests.strings; import org.apache.commons.lang3.StringUtils; public class JoinSeparatorStringTest {   /**    * @param args    */   public static void main(String[] args) {           System.out.println(StringUtils.join(new Object [] {}, ":"));     System.out.println(StringUtils.join(new Object [] { "a", "b", "c", "d" }, "<->"));     System.out.println(StringUtils.join(new Object [] { "one", "", null, "two" }, "()"));     System.out.println(StringUtils.join(new Object [] { "x", "y", "z" }, "****"));   } }

a<->b<->c<->d
one()()()two
x****y****z