1. Which of these keywords cannot be used for a class which has been declared final?

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

        class test 

        {

            int a;

            int b;

            void meth(int i , int j) 

            {

                i *= 2;

                j /= 2;

            }          

        }    

        class Output 

        {

            public static void main(String args[])

            {

                test obj = new test();

    	    int a = 10;

                int b = 20;             

                obj.meth(a , b);

                System.out.println(a + " " + b);        

            } 

        }

3. Identify the output of the following program.

String str = “Hellow”;
System.out.println(str.indexOf(‘t));

4. What is the process of defining two or more methods within same class that have same name but different parameters declaration?

5. Which of these can be used to differentiate two or more methods having the same name?

6. What is the default value of String variable?

7. 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));

            }

        }

8. Which of these keywords is used to prevent content of a variable from being modified?

9. From the following statements which is a disadvantage of an java array?

10. Which of the following is not an OOPS concept in Java?

11. Find the output of the following code.

Public class Solution{
         Public static void main(String args[]){
                 Int i;
                 for(i = 1; i < 6; i++){ 
                     if(i > 3) continue;
                 }
                 System.out.println(i);
          }
}

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

        class output 

        {

            public static void main(String args[])

            {

                String a = "hello i love java";

                System.out.println(a.indexOf('i')+" "+a.indexOf('o') +" "+a.lastIndexOf('i')+" "+a.lastIndexOf('o'));

            }

        }

13. How to format date from one form to another?

14. How many objects will be created in the following?

String a = new String(“Interviewbit”);
String b = new String(“Interviewbit”);
Strinc c = “Interviewbit”;
String d = “Interviewbit”;

15. Find the output of the following code.

       class overload 

       {

            int x;

     	double y;

            void add(int a , int b) 

            {

                x = a + b;

            }

            void add(double c , double d)

            {

                y = c + d;

            }

            overload() 

            {

                this.x = 0;

                this.y = 0;

            }        

        }    

        class Overload_methods 

        {

            public static void main(String args[])

            {

                overload obj = new overload();   

                int a = 2;

                double b = 3.2;

                obj.add(a, a);

                obj.add(b, b);

                System.out.println(obj.x + " " + obj.y);     

            }

       }