Back To C++ Basic Index

---

a global variable can be accessed from any function in the program, a global variable is common to all functions

---

//program to demonstrate global variables #include<iostream.h> #include<conio.h> int a=10; void print() { cout<<"\nvalue of a is "<<a; a++; } void main() { clrscr(); print(); a++; cout<<"\nvalue of a is "<<a; getch(); }