Free Oracle 1Z0-808 Exam Questions

Become Oracle Certified with updated 1Z0-808 exam questions and correct answers

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Total 608 Questions | Updated On: Jun 16, 2026

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Question 1

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

1. package com.udayan.oca;

3. import java.util.ArrayList;

4. import java.util.List;

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. }

A : [100, 200, 200]

B : Compilation error

C : Exception is thrown at runtime

D : [200]

E : [200, 100, 200]

F : [200, 200]

Answer: E

Question 2

Given the code fragment:

Which code fragment, when inserted at line 9, enables the code to print true?

A : String str2 = str1;

B : String str2 = new String(str1);

C : String str2 = sb1. toString();

D : String str2 = 'Duke';

Answer: A

Question 3

Examine the content of App.java:

Which is true?

A : The App.class file is stored within the p1 folder. The Test.class file is stored within the p2 sub-folder of p1.

B : The App class is accessible within the Test class without an import statement.

C : import p1.App; is used to access the App class within the Test class.

D : It is optional to have the package statement as the first line of class definitions

Answer: C

Question 4

Given the code fragment:

What is the result?

A : 11

B : 10

C : 12

D : A compile time error occurs.

Answer: C

Question 5

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

package com.udayan.oca;

import java.util.ArrayList;

import java.util.List;

public class Test {

public static void main(String[] args) {

List list = new ArrayList<>();

list.add(100);

list.add(7);

list.add(50);

list.add(17);

list.add(10);

list.add(5);

list.removeIf(a -> a % 10 == 0);

System.out.println(list);

}

A : [7, 17, 5]

B : [100, 50, 10]

C : [100, 7, 50, 17, 10, 5]

D : Compilation error

E : Runtime Exception

Answer: A

Page: 1 / 122

Total 608 Questions | Updated On: Jun 16, 2026

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