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Which of the following is a checked Exception?
Consider below codes of 2 java files:
1. //Flyable.java
2. package com.sampleproject.oca;
3.
4. public interface Flyable {
5. static int horizontalDegree() { //Line n1
6. return 20;
7. }
8.
9. default void fly() {
10. System.out.println("Flying at " + horizontalDegree() + " degrees."); //Line n2
11. }
12.
13. void land();
14. }
1. //Aeroplane.java
2. package com.sampleproject.oca;
3.
4. public class Aeroplane implements Flyable {
5. public void land() {
6. System.out.println("Landing at " + -Flyable.horizontalDegree() + " degrees."); //Line n3
7. }
8.
9. public static void main(String[] args) {
10. new Aeroplane().fly();
11. new Aeroplane().land();
12. }
13. }
What will be the result of compiling and executing Aeroplane class?
What will be the result of compiling and executing Test class?
package com.udayan.oca;
public class Test {
private static void add(double d1, double d2) {
System.out.println("double version: " + (d1 + d2));
}
private static void add(Double d1, Double d2) {
System.out.println("Double version: " + (d1 + d2));
}
public static void main(String[] args) {
add(10.0, null);
}
}
Consider below code of Test.java file:
1. package com.sampleproject.oca;
2.
3. interface Perishable1 {
4. default int maxDays() {
5. return 1;
6. }
7. }
8.
9. interface Perishable2 extends Perishable1 {
10. default int maxDays() {
11. return 2;
12. }
13. }
14.
15. class Milk implements Perishable2, Perishable1 {}
16.
17. public class Test {
18. public static void main(String[] args) {
19. Perishable1 obj = new Milk();
20. System.out.println(obj.maxDays());
21. }
22. }
Which of the following statements is correct?
Range of short data type is from -32768 to 32767
Which of the following code segments, written inside main method will compile successfully?
Select 3 options.
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