Free Oracle 1Z0-809 Exam Questions
Try our Free Demo Practice Tests for Comprehensive 1Z0-809 Exam Preparation
-
Oracle 1Z0-809 Exam Questions
-
Provided By: Oracle
- Exam: Java SE 8 Programmer II
- Certification: Oracle Java
-
Total Questions: 469
-
Updated On: Jun 05, 2025
-
Rated: 4.9 |
-
Online Users: 938
-
Question 1
-
Given the code fragment:Stream<Path> files = Files.walk(Paths.get(System.getProperty(“user.home”)));files.forEach (fName -> { //line n1try {Path aPath = fName.toAbsolutePath(); //line n2System.out.println(fName + “:”+ Files.readAttributes(aPath,Basic.File.Attributes.class).creationTime());} catch (IOException ex) {ex.printStackTrace();});What is the result?
Answer: A
-
-
Question 2
-
Given code of Test.java file:
1. package com.udayan.ocp;
2.
3. import java.util.Arrays;
4. import java.util.Comparator;
5. import java.util.List;
6.
7. public class Test {
8. public static void main(String[] args) {
9. List
list = Arrays.asList(10, 20, 8); 10.
11. System.out.println(list.stream().max(Comparator.comparing(a -> a)).get()); //Line 1
12.
13. System.out.println(list.stream().max(Integer::compareTo).get()); //Line 2
14.
15. System.out.println(list.stream().max(Integer::max).get()); //Line 3
16. }
17. }
Which of the following statement is true?
Answer: C
-
Given code of Test.java file:
-
Question 3
-
F: is accessible for reading and below is the directory structure for F:
1. F:.
2. └───A
3. └───B
4. └───C
5. Book.java
'Book.java' file is available under 'C' directory.
Given code of Test.java file:
1. package com.udayan.ocp;
2.
3. import java.nio.file.Path;
4. import java.nio.file.Paths;
5.
6. public class Test {
7. public static void main(String[] args) {
8. Path file = Paths.get("F:\\A\\B\\Book.java");
9. System.out.println(file.toAbsolutePath());
10. }
11. }
What will be the result of compiling and executing Test class?
Answer: A
-
F: is accessible for reading and below is the directory structure for F:
-
Question 4
-
Given code of Test.java file:
1. package com.udayan.ocp;
2.
3. public class Test {
4. private static void div(int i, int j) {
5. try {
6. System.out.println(i / j);
7. } catch(ArithmeticException e) {
8. throw (RuntimeException)e;
9. }
10. }
11. public static void main(String[] args) {
12. try {
13. div(5, 0);
14. } catch(ArithmeticException e) {
15. System.out.println("AE");
16. } catch(RuntimeException e) {
17. System.out.println("RE");
18. }
19. }
20. }
What will be the result of compiling and executing Test class?
Answer: A
-
Given code of Test.java file:
-
Question 5
-
Consider the code of Test.java file:
1. package com.udayan.ocp;
2.
3. class Player {
4. String name;
5. int age;
6.
7. Player() {
8. this.name = "Yuvraj";
9. this.age = 36;
10. }
11.
12. public String toString() {
13. return name + ", " + age;
14. }
15.
16. public Class getClass() {
17. return super.getClass();
18. }
19. }
20.
21. public class Test {
22. public static void main(String[] args) {
23. System.out.println(new Player());
24. }
25. }
What will be the result of compiling and executing Test class?
Answer: A
-
Consider the code of Test.java file: