Is Inner Class 

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 ClassUtils.isInnerClass() API. It returns TRUE if the given class is an inner class or static nested class.

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

package com.bethecoder.tutorials.commons_lang.tests.classes; import java.util.Map; import org.apache.commons.lang3.ClassUtils; public class InnerClassTest {   /**    * @param args    */   public static void main(String[] args) {     System.out.println(ClassUtils.isInnerClass(Map.class));     System.out.println(ClassUtils.isInnerClass(Map.Entry.class));   } }

false
true