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

package com.udayan.oca;

public class Test {

     public static void main(String[] args) {

         String str = "Java Rocks!";

         System.out.println(str.length() + " : " + str.charAt(10));

     }

}

Given:

Given this code for a Planet object:

Consider below codes of 3 java files:

1. //Super.java

2. package com.sampleproject.oca;

3.  

4. public interface Super {

5.     String name = "SUPER"; //Line n1

6. }

1. //Sub.java

2. package com.sampleproject.oca;

3.  

4. public interface Sub extends Super { //Line n2

5.  

6. }

1. //Test.java

2. package com.sampleproject.oca;

3.  

4. public class Test {

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

6.         Sub sub = null;

7.         System.out.println(sub.name); //Line n3

8.     }

9.

Which of the following statements is correct?

Which of the following is a checked Exception?