Java Programming Mock Test 3

1. A class member declared protected becomes a member of subclass of which type?

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

 
   final class A 
    {
         int i;
    }    
    class B extends A 
    {
        int j;
        System.out.println(j + " " + i);  
    }    
    class inheritance 
    {
        public static void main(String args[])
        {
            B obj = new B();
            obj.display();     
        }
   }

3. Which of the following is used for implementing inheritance through class?

4. Which of these method of Object class is used to obtain class of an object at run time?

5. What will be the output of the following Java snippet, if compiled and executed with command line "hello there"?

public class abc
{
    String[] xyz;

    public static void main(String argv[])
    {
        xyz=argv;
    }

    public void runMethod()
    {
        System.out.println(argv[1]);
    }
}

6. Which of these data type can be used for a method having a return statement in it?

7. Which class allows parsing of command line arguments?

8. 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(1));
        }
    }

9. Static members are not inherited to subclass.

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