C++Constant|Constant and Variable Difference |Tutorial 9|Part 2| For Beginners |E3 School-2020

C++ Constant

➤Constants refer to a fixed value that the program

➤Use the const Key- Word

➤This will declare the variable as constant, which means unchangeable and read-only.

Syntax

Const int myNum = value;

➤Const key-word

➤int Data-Type

➤myNum Variable

➤Value Value

Create Int Program

#include<iostream>

using namespace std;

main()

{

int myNum=20;

court<<myNum<<endl;

return 0;

}

//int change Value anytime .

Create Const Program

#include<iostream>

using namespace std;

main()

{

const int myNum=20;

court<<myNum<<endl;

return 0;

}

//const not change value

C++ Tutorial 9 Slide

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C++ Tutorial 9 For beginner

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Constant

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Constant Syntax

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