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.add("U");
list.forEach(System.out::print);
}
}
What will be the result of compiling and executing Test class?
Given:

You want to create a singleton class by using the Singleton design pattern. Which two statements enforce the singleton nature of the design? (Choose two.)
Given the content of Operator.java, EngineOperator.java, and Engine.java files:


Given code of Test.java file:
1. package com.udayan.ocp;
2.
3. interface Printer1 {
4. default void print() {
5. System.out.println("Printer1");
6. }
7. }
8.
9. class Printer2 {
10. public void print() {
11. System.out.println("Printer2");
12. }
13. }
14.
15. class Printer extends Printer2 implements Printer1 {
16.
17. }
18.
19. public class Test {
20. public static void main(String[] args) {
21. Printer printer = new Printer();
22. printer.print();
23. }
24. }
What will be the result of compiling and executing Test class?
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