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

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.util.Arrays;

4. import java.util.List;

5. import java.util.ListIterator;

6.  

7. public class Test {

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

9.         List list = Arrays.asList("T", "S", "R", "I", "F");

10.         ListIterator iter = list.listIterator(2);

11.         while(iter.hasNext()) {

12.             System.out.print(iter.next());

13.         }

14.     }

15. }

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

Options :
Answer: B

Question 2

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.util.stream.Stream;

4.  

5. public class Test {

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

7.         System.out.println(Stream.of(10, 0, -10).sorted().findAny().orElse(-1));

8.     }

9. }

Which of the following statements are true about the execution of Test class?

Select 2 options.

Options :
Answer: A,B

Question 3

Given:

Untitled1-page69-image101
From what threading problem does the program suffer?

Options :
Answer: B

Question 4

Given:
public class Counter {
 public static void main (String[ ] args) {
 int a = 10;
 int b = -1;
 assert (b >=1) : “Invalid Denominator”;
 int с = a / b;
 System.out.println (c);
 }
}
What is the result of running the code with the –da option?

Options :
Answer: A

Question 5

Given the code fragment:
Path p1 = Paths.get(“/Pics/MyPic.jpeg”);
System.out.println (p1.getNameCount() +
 “:” + p1.getName(1) +
 “:” + p1.getFileName());
Assume that the Pics directory does NOT exist.
What is the result?

Options :
Answer: B

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