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 parameter.
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
// Java program to demonstrate getEnclosingClass() methodimport 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()); }} |
Class represented by myClass: class Test EnclosingClass of myClass: null
Example 2:
Java
// Java program to demonstrate getEnclosingClass() methodimport 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()); }} |
EnclosingClass of myClass: class Main
Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getEnclosingClass–
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