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

2. What should be the execution order, if a class has a method, static block, instance block, and constructor, as shown below?

    public class First_C {  
       public void myMethod()   
        {          System.out.println("Method");  
        }  
        {       System.out.println(" Instance Block");  
        }    
        public void First_C()  
        {       System.out.println("Constructor ");  
        }  
        static {           System.out.println("static block");  
        }       public static void main(String[] args) {       First_C c = new First_C();  
        c.First_C();  
        c.myMethod();  
      }  
    }   

3. Find the output of the following program.

public class Solution{
       public static void main(String[] args){
               int[]  x = {120, 200, 016};
               for(int i = 0; i < x.length; i++){
                        System.out.print(x[i] + “ “);
               }                   
       }
}

4. Which of the following are not java modifiers?

5. Which of these method of Object class can clone an object?

6. Identify the output of the following program.

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

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

8. Find the output of the following code.

        class leftshift_operator 

        {

            public static void main(String args[]) 

            {        

                 byte x = 64;

                 int i;

                 byte y; 

                 i = x << 2;

                 y = (byte) (x << 2);

                 System.out.print(i + " " + y);

            } 

        }

9. Find the output of the following program.

class output {
public static void main(String args[]) 
            {
                double a, b,c;
                a = 3.0/0;
                b = 0/4.0;
                c=0/0.0;
    	    System.out.println(a);              System.out.println(b);               System.out.println(c);
            } 
        }

10. Which of these method of class String is used to remove leading and trailing whitespaces?

11. 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));

            }

        }

12. Which statement provides an easy way to dispatch execution to different parts of your code based on the value of an expression?

13. 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);        

            } 

        }

14. What is the process of defining a method in terms of itself, that is a method that calls itself?

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

        class Output 

        {

            public static void main(String args[]) 

            {

                Integer i = new Integer(257);  

                byte x = i.byteValue();

                System.out.print(x);

            }

        }