Variable Scope and Data Types

#include<iostream>

using namespace std;

int global = 9; //This is Global variable

void sum()

{

    int a;

    cout<<global;

}

int main()

{

    // int a = 14;

    // int b = 15;

    //We can make(Same Name) Local and Global variable of the Same name but

    // the precedence will be given always to Local variable

    int global = 10;    //This is Local Variable

    global = 22;        //This is Local Variable

    int a = 14, b = 15;

    float pi = 3.14;

    char c = 'd';

    bool isCheck = true;

    bool isCheck2 = false;

    cout<<"This is the Tutorial.\nHere the value of a is "<<a<<".\nThe value of b is "<<b;

    cout<<"\nThe value of pi is: "<<pi;

    cout<<"\nThe value of c is: "<<c<<"\n";

    sum();

    cout<<"\n"<<global<<"\n";

    cout<<isCheck<<"\n";

    cout<<isCheck2;

    return 0;

}

//OUTPUT:

//This is the Tutorial.

// Here the value of a is 14.

// The value of b is 15

// The value of pi is: 3.14

// The value of c is: d

// 9

// 22

// 1

// 0