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Using the Checked and Unchecked Operators

Sreejesh SP

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Using Unchecked operator in mathematical operation:

class Listing4_5

{

public static void Main()

{

int Int1;

int Int2;

int Int1PlusInt2;

Int1 = 2000000000;

Int2 = 2000000000;

Int1PlusInt2 = Int1 + Int2;

System.Console.WriteLine(Int1PlusInt2);

}

The above code is run in program is overflow.

Using checked operator in mathematical operation:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication3

{

class Program

{

static void Main(string[] args)

{

try

{

int Int1;

int Int2;

int Int1PlusInt2;

Int1 = 2000000000;

Int2 = 2000000000;

Int1PlusInt2 = checked(Int1 + Int2);

}

catch (Exception ex)

{

System.Console.WriteLine(ex);

Console.ReadLine();

}

The above code is using in checked operator so its prevent overflow.