Java Program

Addition of Numbers Using io.DataInputStream

import java.io.DataInputStream;

    class Addition{

        public static void main(String[]args) throws Exception{

            DataInputStream ob = new DataInputStream(System.in);

        /*        we created the object of DIS class 

        

        */

            System.out.print("Enter First Number");

                String s = ob.readLine();

                int a = Integer.parseInt(s);

            /** we cnvert the string value into integer and save into a variable **/

            System.out.print("Enter second Number");

                String d = ob.readLine();

                int b = Integer.parseInt(d);

                int sum = a+b;

            System.out.println("Addition: " + sum);

        }

    }

/* line 6 and 7 can be written as

int b = Integer.parseInt(ob.readLine());

Assignments

        Perform All Airthematic operators

    Marksheet:

    Subject1 Marks

    Subject2 Marks

    Subject2 Marks

    Subject2 Marks

    Subject2 Marks as inputs

    gives output as 

    Total Marks

    Obtain Marks

    Percentage

    */