Oracle 1Z0-808 Exam Real Questions

Consider the following class:

1. package com.udayan.oca;

2.  

3. public class Employee {

4.      public int passportNo; //line 2

5. }

Which of the following is the correct way to make the variable 'passportNo' read only for any other class?

Range of short data type is from -32768 to 32767

Which of the following code segments, written inside main method will compile successfully?

Select 3 options.

What is the signature of special main method?

CGiven the code fragments:

Consider below code of Test.java file:

1. package com.sampleproject.oca;

2.  

3. interface Perishable1 {

4.     default int maxDays() {

5.         return 1;

6.     }

7. }

8.  

9. interface Perishable2 extends Perishable1 {

10.     default int maxDays() {

11.         return 2;

12.     }

13. }

14.  

15. class Milk implements Perishable2, Perishable1 {}

16.  

17. public class Test {

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

19.         Perishable1 obj = new Milk();

20.         System.out.println(obj.maxDays());

21.     }

22. }

Which of the following statements is correct?