Free Oracle 1Z0-808 Exam Questions

Given the code fragment:

Given code of Test.java file:

1. package com.sampleproject.oca;

2.  

3. abstract class Animal {

4.     abstract void jump() throws RuntimeException;

5. }

6.  

7. class Deer extends Animal {

8.     void jump() { //Line n1

9.         System.out.println("DEER JUMPS");

10.     }

11.  

12.     void jump(int i) {

13.         System.out.println("DEER JUMPS TO " + i + " FEET");

14.     }

15. }

16.  

17. public class Test {

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

19.         Animal animal = new Deer();

20.         ((Deer)animal).jump(); //Line n2

21.         ((Deer)animal).jump(5); //Line n3

22.     }

23. }

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

Given the code fragment:

Which two statements are true? (Choose two.)

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

package com.udayan.oca;

public class Test {

     public static void main(String[] args) {

         String str1 = " ";

         boolean b1 = str1.isEmpty();

         System.out.println(b1);

         str1.trim();

         b1 = str1.isEmpty();

         System.out.println(b1);

     }

}