Explain what keywords checked and unchecked in this c
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
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++;
}
}
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fac702de6-bea4-4148-9932-bf432a3c1c51%2Fd6a6c0d7-f234-4a23-8652-dd420dfd1a6d%2Fdew7b6p_processed.png&w=3840&q=75)
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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