Which of the following is not a wrapper class?

Which of the keywords is not related to Exception handling?

Which of the following is an incorrect JUnit annotation?

Predict the output of the following Java code.

The purpose of the for loop is:

Which operator is used by Java runtime implementations to automatically free the memory of an object when it is no longer needed?

Statement 1-  Extension of java code files is  .java 

Statement 2-   Extension of compiled java classes is .class

What does the following Java code print?

public class Test {

public static void main(String[] args) {

System.out.print("Hello");

System.out.println("World");

}

}

class test {

public static void main (String[] args) {

        char a='A';

                 char b=70;

                 a++;

                 a+=10*4;

                 System.out.println((int)a);

}

}

Predict the output of the following Java code:

class Abekus {

int _a, _b;

public Abekus(int x, int y) { _a = x; _b = y; }

public Abekus() { this(10, 10); }

public int a() { return _a; }

public int b() { return _b; }

public static void main(String args[]) {

Abekus A = new Abekus();

System.out.println(A.a());

}

}