Free Oracle 1Z0-808 Exam Questions

Below is the code of Test.java file:

1. package com.udayan.oca;

2.  

3. import java.util.ArrayList;

4. import java.util.List;

5.  

6. public class Test {

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

8.          List list = new ArrayList();

9.  

10.          list.add(27);

11.          list.add(27);

12.  

13.          list.add(new Integer(27));

14.          list.add(new Integer(27));

15.  

16.          System.out.println(list.get(0) == list.get(1));

17.          System.out.println(list.get(2) == list.get(3));

18.      }

19. }

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

What is the signature of special main method?

Given this code for a Planet object:

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

1. //Test.java

2. package com.udayan.oca;

3.  

4. import java.io.FileNotFoundException;

5.  

6. public class Test {

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

8.          try {

9.              System.out.println(1);

10.          } catch (NullPointerException ex) {

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

12.          } catch (FileNotFoundException ex) {

13.              System.out.println("TWO");

14.          }

15.          System.out.println("THREE");

16.      }

17. }

Given the code fragment: