In this blog, we will know
how to add two numbers without using + operator.
using
System;
using
System.Collections.Generic;
using
System.ComponentModel;
using
System.Data;
using
System.Drawing;
using
System.Linq;
using
System.Text;
using
System.Windows.Forms;
namespace
Addition_two_numbers_without_plus
{
public partial
class Form1 :
Form
{
public Form1()
{
InitializeComponent();
}
private void
btn_Addition_Click(object sender, EventArgs e)
{
int value1, value2;
if (!int.TryParse(textBox1.Text,
out value1))
{
MessageBox.Show("Not
a valid integer. Please re-enter.");
textBox1.Focus();
return;
}
if (!int.TryParse(textBox2.Text,
out value2))
{
MessageBox.Show("Not
a valid integer. Please re-enter.");
textBox2.Focus();
return;
}
MessageBox.Show("Addition:"
+ addition(Convert.ToInt32(textBox1.Text),
Convert.ToInt32(textBox2.Text)).ToString());
clear();
}
void clear()
{
textBox1.Text = "";
textBox2.Text = "";
}
private int
addition(int a, int
b)
{
int result = 0, carry;
carry = a & b;
if (Convert.ToBoolean(carry))
{
result = a ^ b;
carry = carry << 1;
result = addition(carry, result);
}
else
{
result = a ^ b;
}
return result;
}
}
}