1. What will be the output of the following Java program?

        class Output 

        {

             public static void main(String args[]) 

            {

                double x = 2.0;  

                double y = 3.0;

                double z = Math.pow( x, y );

                System.out.print(z);

            }

        }

2. Which of these is necessary condition for automatic type conversion in Java?

3. Choose the appropriate data type for this field: isSwimmer

4. Which data type value is returned by all transcendental math functions?

5. What will be the output of the following Java program?

        class recursion 

        {
            int func (int n) 
            {
                int result;
                if (n == 1)
                    return 1;
                result = func (n - 1);
                return result;
            }
        } 
        class Output 
        {
            public static void main(String args[]) 
            {
                recursion obj = new recursion() ;
                System.out.print(obj.func(5));
            }
        }

                            

6. What will be the output of the following Java program?

        class recursion 

        {

            int func (int n) 

            {

                int result;

                result = func (n - 1);

                return result;

            }

        } 

        class Output 

        {

            public static void main(String args[]) 

            {

                recursion obj = new recursion() ;

                System.out.print(obj.func(12));

            }

        }

7. Which of these is not a correct statement?

8. What is Truncation in Java?

9. Identify the modifier which cannot be used for constructor.

10. What will be the output of the following Java program?

        class recursion 

        {

            int fact(int n) 

            {

                int result;

                if (n == 1)

                    return 1;

                result = fact(n - 1) * n;

                return result;

            }

        } 

        class Output 

        {

            public static void main(String args[]) 

            {

                recursion obj = new recursion() ;

                System.out.print(obj.fact(5));

            }

        }

11. Find the output of the following program.

class increment {
public static void main(String args[]) 
            {        
                 int g = 3;
                 System.out.print(++g * 8);
            } 
        }

12. Which of these is correct about passing an argument by call-by-value process?

13. Find the output of the following code.

        class output 

        {

            public static void main(String args[])

            { 

               StringBuffer s1 = new StringBuffer("Quiz");

               StringBuffer s2 = s1.reverse();

               System.out.println(s2);

            }

        }

14. What will be the output of the following Java program?

        class A 

        {

            int i;

            public void display() 

            {

                System.out.println(i);

            }    

        }    

        class B extends A 

       {

            int j;

            public void display() 

            {

                System.out.println(j);

            } 

        }    

        class Dynamic_dispatch 

       {

            public static void main(String args[])

            {

                B obj2 = new B();

                obj2.i = 1;

                obj2.j = 2;

                A r;

                r = obj2;

                r.display();     

            }

       }

15. What will be the output of the following Java code?

        class Output 

        {

            public static void main(String args[])

            {

                 Object obj = new Object();

    	     System.out.print(obj.getclass());

            }

        }