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Free Oracle 1Z0-809 Practice Test Questions

Exam Code: 1Z0-809
Exam Questions: 469
Java SE 8 Programmer II
Updated: 16 Jun, 2025
Viewing Page : 1 - 47
Practicing : 1 - 5 of 469 Questions
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.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?

Options :
Answer: C
Question 3

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 4

Given code of Test.java file: 

1. package com.udayan.ocp;

2.  

3. import java.time.*;

4.  

5. public class Test {

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

7.         System.out.println(Duration.ofDays(-2));

8.     }

9. }

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

Options :
Answer: D
Question 5

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
Viewing Page : 1 - 47
Practicing : 1 - 5 of 469 Questions
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