EXPERTY DESIGNED 1Z0-809 PRACTICE TEST

Oracle 1Z0-809 Exam Questions
Total Questions: 469
Java SE 8 Programmer II
Updated On: Jan 15, 2026
Page : 1-47
Question 1

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?

Options :
Answer: A

Question 2

Given the code fragment:
List<String> colors = Arrays.asList(“red”, “green”, “yellow”);
Predicate<String> test = n - > {
 System.out.println(“Searching…”);
 return n.contains(“red”);
};
colors.stream()
 .filter(c -> c.length() >= 3)
 .allMatch(test);
What is the result?

Options :
Answer: C

Question 3

Given the code fragment:
Stream<Path> files = Files.walk(Paths.get(System.getProperty(“user.home”)));
 files.forEach (fName -> { //line n1
 try {
 Path aPath = fName.toAbsolutePath(); //line n2
 System.out.println(fName + “:”
 + Files.readAttributes(aPath,
Basic.File.Attributes.class).creationTime
());
 } catch (IOException ex) {
 ex.printStackTrace();
 });
What is the result?

Options :
Answer: A

Question 4

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.util.ArrayDeque;

4. import java.util.Deque;

5.  

6. public class Test {

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

8.         Deque deque = new ArrayDeque<>();

9.         deque.push(new Boolean("abc"));

10.         deque.push(new Boolean("tRuE"));

11.         deque.push(new Boolean("FALSE"));

12.         deque.push(true);

13.         System.out.println(deque.pop() + ":" + deque.peek() + ":" + deque.size());

14.     }

15. }

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

Options :
Answer: A

Question 5

Given code of Test.java file:

package com.udayan.ocp;

 

import java.util.Arrays;

import java.util.List;

 

public class Test {

    public static void main(String[] args) {

        List list = Arrays.asList("A", "E", "I", "O");

        list.add("U");

        list.forEach(System.out::print);

    }

}

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

Options :
Answer: B

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