In this program, we are going to share a How to define global variable in C++ with an Example. If you are a beginner and want to start learning the C programming, then keep your close attention in this tutorial as I am going to share a program for How to define global variable in C++ with an Example.
Copy the below C++ program and execute it with the help of Turbo C compiler. At the end of this program, We have shared the output of this program.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #include <iostream> using namespace std; //defining the global variable int a=10; int main() { //defining the local variable int a=15; cout<<"local a: "<<a<<" Global a: "<<::a; ::a=20; cout<<"\nlocal a: "<<a<<" Global a: "<<::a; return 0; } |
