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Free Practice Oracle 1Z0-808 Exam Questions 2025

Stay ahead with 100% Free Java SE 8 Programmer I 1Z0-808 Dumps Practice Questions

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Total 608 Questions | Updated On: Aug 21, 2019
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Question 1

Given code of Test.java file:

1. package com.sampleproject.oca;

2.  

3. interface Blogger {

4.     default void blog() throws Exception {

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

6.     }

7. }

8.  

9. class TravelBlogger implements Blogger {

10.     public void blog() {

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

12.     }

13. }

14.  

15. public class Test {

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

17.         Blogger blogger = new TravelBlogger(); //Line n1

18.         ((TravelBlogger)blogger).blog(); //Line n2

19.     }

20. }

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


Answer: B
Question 2

Given code of Thought.java file:

1. public class Thought {

2.     /*INSERT*/ {

3.         System.out.println("All is well");

4.     }

5. }

Which 3 options, if used to replace /*INSERT*/, will compile successfully and on execution will print "All is well" on to the console?


Answer: A,B,G
Question 3

Consider below code of Test.java file:

1. package com.sampleproject.oca;

2.  

3. class Super {

4.     public String num = "10"; //Line n1

5. }

6.  

7. class Sub extends Super {

8.     protected int num = 20; //Line n2

9. }

10.  

11. public class Test {

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

13.         Super obj = new Sub();

14.         System.out.println(obj.num += 2); //Line n3

15.     }

16. }

What will be the result of compiling and executing above code?


Answer: F
Question 4

Consider below codes of 2 java files:

1. //Flyable.java

2. package com.sampleproject.oca;

3.  

4. public interface Flyable {

5.     static int horizontalDegree() { //Line n1

6.         return 20;

7.     }

8.  

9.     default void fly() {

10.         System.out.println("Flying at " + horizontalDegree() + " degrees."); //Line n2

11.     }

12.  

13.     void land();

14. }

1. //Aeroplane.java

2. package com.sampleproject.oca;

3.  

4. public class Aeroplane implements Flyable {

5.     public void land() {

6.         System.out.println("Landing at " + -Flyable.horizontalDegree() + " degrees."); //Line n3

7.     }

8.  

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

10.         new Aeroplane().fly();

11.         new Aeroplane().land();

12.     }

13. }

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


Answer: D
Question 5

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

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.          list.add(100);

10.          list.add(200);

11.          list.add(100);

12.          list.add(200);

13.          list.remove(new Integer(100));

14.  

15.          System.out.println(list);

16.      }

17. }


Answer: E
Page:    1 / 122      
Total 608 Questions | Updated On: Aug 21, 2019
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