Chapter 6: Advanced Topics in C++

In this chapter, we will introduce a set of elements from C++ which do not neatly fit into any of the other, basics-focused chapters and which, in large part, have no direct analogue in Python.

Dynamic Memory Allocation

Dynamic memory allocation allows you to allocate memory during runtime using the new operator and deallocate it using the delete operator.

#include <iostream>
using namespace std;

int main() 
{
    int* dynamicInt = new int(5);  // Dynamically allocate memory for an integer
    cout << "Value of dynamicInt: " << *dynamicInt << endl;
    delete dynamicInt;  // Free the allocated memory

    int* dynamicArray = new int[5];  // Dynamically allocate memory for an array
    for (int i = 0; i < 5; ++i) {
        dynamicArray[i] = i * 10;
        cout << "dynamicArray[" << i << "] = " << dynamicArray[i] << endl;
    }
    delete[] dynamicArray;  // Free the allocated memory

    return 0;
}