Class getEnclosingConstructor() method in Java with Examples

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

public Constructor getEnclosingConstructor()

Parameter: This method does not accept any parameter.
Return Value: This method returns the enclosing constructor of this class if this class is a local class or anonymous class declared in that constructor. Else this constructor returns null.
Exception This method throws SecurityException if a security manager is present and the security conditions are not met.
Below programs demonstrate the getEnclosingConstructor() method.
Example 1:

Java

// Java program to demonstrate
// getEnclosingConstructor() 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 constructors of myClass
        // using getEnclosingConstructor() constructor
        System.out.println("EnclosingConstructor of myClass: "
                           + myClass.getEnclosingConstructor());
    }
}

Output:

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

Example 2:

Java

// Java program to demonstrate
// getEnclosingConstructor() 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 constructors of myClass
        // using getEnclosingConstructor() constructor
        System.out.println("EnclosingConstructor of myClass: "
                           + myClass.getEnclosingConstructor());
    }
}