1. What is the syntax for java main method?

2. Find the output of the following code.

        class array_output 

        {

            public static void main(String args[]) 

            {

                int array_variable [] = new int[10];

    	    for (int i = 0; i < 10; ++i) 

                {

                    array_variable[i] = i;

                    System.out.print(array_variable[i] + " ");

                    i++;

                }

            } 

        }

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

        class output 

        {

            public static void main(String args[])

            {

                 String chars[] = {"a", "b", "c", "a", "c"};

                 for (int i = 0; i < chars.length; ++i)

                     for (int j = i + 1; j < chars.length; ++j)

                         if(chars[i].compareTo(chars[j]) == 0)

                             System.out.print(chars[j]); 

            }

       }

4. Find the output of the following program.

public class Solution{
       public static void main(String[] args){
                     short x = 10;
                     x =  x * 5;
                     System.out.print(x);
       }
}

5. Which of these data types is used to store command line arguments?

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

        class static_out 

        {

            static int x;

     	static int y;

            void add(int a, int b)

            {

                x = a + b;

                y = x + b;

            }

        }    

        public class static_use 

        {

            public static void main(String args[])

            {

                static_out obj1 = new static_out();

                static_out obj2 = new static_out();   

                int a = 2;

                obj1.add(a, a + 1);

                obj2.add(5, a);

                System.out.println(obj1.x + " " + obj2.y);     

            }

       }

7. Which of these is returned by “greater than”, “less than” and “equal to” operators?

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

9. 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));
            }
        }

                            

10. What is an ineterface?

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

class multidimention_array 
    {
        public static void main(String args[])
        {
            int arr[][] = new int[3][];
            arr[0] = new int[1];
            arr[1] = new int[2];
            arr[2] = new int[3];               
	    int sum = 0;
	    for (int i = 0; i < 3; ++i) 
	        for (int j = 0; j < i + 1; ++j)
                    arr[i][j] = j + 1;
	    for (int i = 0; i < 3; ++i) 
	        for (int j = 0; j < i + 1; ++j)
                    sum + = arr[i][j];
	    System.out.print(sum); 	
        } 
    }

12. 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);

            }

        }

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

14. What is Truncation in Java?

15. What is an assignment statement?