Explain what keywords checked and unchecked in this c

Microsoft Visual C#
7th Edition
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Joyce, Farrell.
Chapter7: Using Methods
Section: Chapter Questions
Problem 3RQ
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Explain what keywords checked and unchecked in this code for? What do they do?

 

using System;
using static System.Console;
namespace CheckingForOverflow {
class Program {
static void Main(string[] args) {
var x = int. MaxValue;
try {
checked {
Writeline($"Initial value: {x}"):
X++;
WriteLine($"After incrementing: {x}");
X++;
}
}
catch (OverflowException) {
Writeline("The code overflowed but I caught the exception.");
unchecked {
WriteLine($"Initial value: {x}"):
X++;
WriteLine($"After incrementing: {x}");
X++;
}
}
}
Transcribed Image Text:using System; using static System.Console; namespace CheckingForOverflow { class Program { static void Main(string[] args) { var x = int. MaxValue; try { checked { Writeline($"Initial value: {x}"): X++; WriteLine($"After incrementing: {x}"); X++; } } catch (OverflowException) { Writeline("The code overflowed but I caught the exception."); unchecked { WriteLine($"Initial value: {x}"): X++; WriteLine($"After incrementing: {x}"); X++; } } }
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