Learn C++: The Complete Course for Beginners/

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Variables and Memory

Variables and Memory

Learn how variables are stored in memory.

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Variables

To understand pointers, you must know how variables are stored in memory.

We have already seen that a variable is a named location in a computer’s memory where we can store our data.

See the program given below!

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#include <iostream>
using namespace std;
int main() {
  // Declares a variable John of type int
  int John;
}

How are variables stored in memory?

Consider the analogy given in the previous lesson. The statement on Line No. 7 says reserve ...