C++ Beginners Tutorial 21 - Pointers in C++ 











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#include <iostream>
using namespace std;

int main()
{
///What is a Pointer?
///A pointer is a variable whose value is the address of another variable.
int var=100;
cout<<&var<<endl;

 int *intP;
 intP=&var;

 cout<<intP<<endl;
 cout<<*intP<<endl;
 var=20;
 cout<<intP<<endl;
 cout<<*intP<<endl;

    return 0;
}


















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