Skip to content
Related Articles

Related Articles

Improve Article

Class getEnclosingClass() method in Java with Examples

  • Last Updated : 28 Nov, 2019

The getEnclosingClass() method of java.lang.Class class is used to get the enclosing class of this class. The method returns the enclosing class of this class, if this class is a local class or anonymous class declared in that class. Else this method returns null.

Syntax:

public Class getEnclosingClass() throws SecurityException

Parameter: This method does not accept any paramter.

Return Value: This method returns the enclosing class of this class if this class is a local class or anonymous class declared in that class. Else this method returns null.

Exception This method throws SecurityException if a security manager is present and the security conditions are not met.



Below programs demonstrate the getEnclosingClass() method.

Example 1:




// Java program to demonstrate getEnclosingClass() method
  
import java.util.*;
  
public class Test {
    public static void main(String[] args)
        throws ClassNotFoundException
    {
  
        // returns the Class object for this class
        Class myClass = Class.forName("Test");
  
        System.out.println("Class represented by myClass: "
                           + myClass.toString());
  
        // Get the enclosing class of myClass
        // using getEnclosingClass() method
        System.out.println("EnclosingClass of myClass: "
                           + myClass.getEnclosingClass());
    }
}
Output:
Class represented by myClass: class Test
EnclosingClass of myClass: null

Example 2:




// Java program to demonstrate getEnclosingClass() method
  
import java.util.*;
  
class Main {
  
    public Object obj;
  
    Main()
    {
  
        class Arr {
        };
  
        obj = new Arr();
    }
  
    public static void main(String[] args)
        throws ClassNotFoundException
    {
        Main t = new Main();
  
        // returns the Class object
        Class myClass = t.obj.getClass();
  
        // Get the enclosing class of myClass
        // using getEnclosingClass() method
        System.out.println("EnclosingClass of myClass: "
                           + myClass.getEnclosingClass());
    }
}
Output:
EnclosingClass of myClass: class Main

Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getEnclosingClass–

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more,  please refer Complete Interview Preparation Course.




My Personal Notes arrow_drop_up
Recommended Articles
Page :