The new Oracle 1Z0-809 exam questions cover real topics from the latest Java SE 8 Programmer II release. Each question helps you review dificult key areas and understand how the Oracle Java system works in real scenarios. Practice regularly with updated version of 1Z0 809 dumps, focus on weak points, prepare for your desired test effectively and pass your Oracle certification exam confidently on your first try.
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
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?
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?
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?
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
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?
What will be the result of compiling and executing class Test?
1. package com.udayan.ocp;
2.
3. class X {
4. class Y {
5. private void m() {
6. System.out.println("INNER");
7. }
8. }
9.
10. public void invokeInner() {
11. Y obj = new Y(); //Line 9
12. obj.m(); //Line 10
13. }
14. }
15.
16. public class Test {
17. public static void main(String[] args) {
18. new X().invokeInner();
19. }
20. }
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