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.stream.Stream;

4.  

5. public class Test {

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

7.         Stream stream = Stream.of("d", "cc", "bbb", "aaaa");

8.         stream.sorted().forEach(System.out::println);

9.     }

10. }

Which of the following needs to be done, so that output is: 

d

cc

bbb

aaaa

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 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: A

Question 4

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. public class Test {

4.     private static void m1() throws Exception {

5.         throw new Exception();

6.     }

7.  

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

9.         try {

10.             m1();

11.         } finally {

12.             System.out.println("A");

13.         }

14.     }

15. }

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

Options :
Answer: D

Question 5

Given:
class UserException extends Exception { }
class AgeOutOfLimitException extends UserException { }
and the code fragment:
class App {
 public void doRegister(String name, int age)
 throws UserException, AgeOutOfLimitException {
 if (name.length () < 6) {
 throw new UserException ();
 } else if (age >= 60) {
 throw new AgeOutOfLimitException ();
 } else {
 System.out.println(“User is registered.”);
 }
 }
 public static void main(String[ ] args) throws UserException {
 App t = new App ();
 t.doRegister(“Mathew”, 60);
 }
}
What is the result?

Options :
Answer: B

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