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Class getEnclosingMethod() method in Java with Examples

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

public Method getEnclosingMethod()

Parameter: This method does not accept any parameter.
Return Value: This method returns the enclosing methods of this class if this class is a local class or anonymous class declared in that method. 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 getEnclosingMethod() method.
Example 1:
 

Java




// Java program to demonstrate getEnclosingMethod() 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 methods of myClass
        // using getEnclosingMethod() method
        System.out.println("EnclosingMethod of myClass: "
                           + myClass.getEnclosingMethod());
    }
}


Output: 

Class represented by myClass: class Test
EnclosingMethod of myClass: null

 

Example 2:
 

Java




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


Output: 

EnclosingConstructor of myClass: public java.lang.Object Main.func()

 

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


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Last Updated : 27 Jan, 2022
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