Question

Write a program using default constructor.
Find sum of two numbers. (Java ClassX icse)​

Answer 1

$\textsf{\large{\underline{Solution}:}}$

The given problem is solved using language - Java.

import java.util.Scanner;

public class Constructor{

   int a,b,s;

   Constructor(){

       Scanner sc=new Scanner(System.in);

       System.out.print("Enter first number: ");

       a=sc.nextInt();

       System.out.print("Enter second number: ");

       b=sc.nextInt();

       sc.close();

   }

   void add(){

       s=a+b;

   }

   void display(){

       System.out.println("Sum of two numbers: "+s);

   }

   public static void main(String s[]){

       Constructor obj=new Constructor();

       obj.add();

       obj.display();

   }

}

$\textsf{\large{\underline{Sample I/O}:}}$

#1

Enter first number: 894

Enter second number: 568

Sum of two numbers: 1462

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#2

Enter first number: 55

Enter second number: 45

Sum of two numbers: 100

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#3

Enter first number: 1728

Enter second number: 4472

Sum of two numbers: 6200