Class getAnnotatedInterfaces() method in Java with Examples

The getAnnotatedInterfaces() method of java.lang.Class class is used to get the superinterface type annotations present in this class. The method returns an array of annotations present. 
Syntax:

public Annotation[] getAnnotatedInterfaces()

Parameter: This method does not accepts any parameter.
Return Value: This method returns an array of superinterface type annotations present.
Below programs demonstrate the getAnnotatedInterfaces() method.
Example 1:

Java

// Java program to demonstrate
// getAnnotatedInterfaces() method

import java.io.*;
import java.util.*;
import java.lang.annotation.*;

// create a custom Annotation
@Retention(RetentionPolicy.RUNTIME)
public @interface CustomInterface {
}

@CustomInterface
interface CustomInterfaceImp {}

class Test implements CustomInterfaceImp{

    public Object obj;

    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = Test.class;

        System.out.println(
            "Class represented by myClass: "
            + myClass.toString());

        // Get the AnnotatedInterfaces
        // using getAnnotatedInterfaces() method
        System.out.println(
                "AnnotatedInterfaces of myClass: "
            + Arrays.toString(myClass
                .getAnnotatedInterfaces()));
    }
}

Output:

Class represented by myClass: class Test 
AnnotatedInterfaces of myClass: [sun.reflect.annotation.AnnotatedTypeFactory$AnnotatedTypeBaseImpl@4aa298b7] 

Example 2:

Java

// Java program to demonstrate
// getAnnotatedInterfaces() method

import java.io.*;
import java.util.*;
import java.lang.annotation.*;

class Test{

    public Object obj;

    public static void main(String[] args)
        throws ClassNotFoundException
    {

        // returns the Class object for this class
        Class myClass = Test.class;

        System.out.println(
            "Class represented by myClass: "
            + myClass.toString());

        // Get the AnnotatedInterfaces
        // using getAnnotatedInterfaces() method
        System.out.println(
                "AnnotatedInterfaces of myClass: "
            + Arrays.toString(myClass
                .getAnnotatedInterfaces()));
    }
}

Output:

Class represented by myClass: class Test 
AnnotatedInterfaces of myClass: [] 

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