Free Oracle 1Z0-809 Exam Questions

Given code of Test.java file:

1. package com.udayan.ocp;

2.  

3. interface Printer1 {

4.     default void print() {

5.         System.out.println("Printer1");

6.     }

7. }

8.  

9. class Printer2 {

10.     public void print() {

11.         System.out.println("Printer2");

12.     }

13. }

14.  

15. class Printer extends Printer2 implements Printer1 {

16.  

17. }

18.  

19. public class Test {

20.     public static void main(String[] args) {

21.         Printer printer = new Printer();

22.         printer.print();

23.     }

24. }

What will be the result of compiling and executing Test class?

Consider the code of Test.java file:

1. package com.udayan.ocp;

2.  

3. class Player {

4.     String name;

5.     int age;

6.  

7.     Player() {

8.         this.name = "Yuvraj";

9.         this.age = 36;

10.     }

11.  

12.     public String toString() {

13.         return name + ", " + age;

14.     }

15.     

16.     public Class getClass() { 

17.         return super.getClass();

18.     }

19. }

20.  

21. public class Test {

22.     public static void main(String[] args) {

23.         System.out.println(new Player());

24.     }

25. }

What will be the result of compiling and executing Test class?

Given code of Test.java file:

package com.udayan.ocp;

import java.util.Arrays;

import java.util.List;

public class Test {

    public static void main(String[] args) {

        List list = Arrays.asList("A", "E", "I", "O");

        list.add("U");

        list.forEach(System.out::print);

    }

}

What will be the result of compiling and executing Test class?