Is Not 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.isNotEmpty() API. It returns TRUE if the given string is not empty.

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

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

false
false
true
true