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Pointers to objects

Pointers to objects in C++ allow you to work with objects indirectly, making it easier to manage memory and pass objects between functions. To access members of a class given a pointer to an object, use the arrow (–>) operator instead of the dot operator.

Here's a simple example to illustrate how to use pointers to objects in C++:


using namespace std;

class MyClass {
    void myMethod() {
      cout << "Hello World!" << endl;

int main() {
  MyClass myObj;
  MyClass* myPointer = &myObj;
  return 0;

In this example, we define a class called MyClass with a single method called myMethod that prints "Hello World!" to the console. We then create an instance of the class called myObj and a pointer to myObj called myPointer. Finally, we use the arrow operator to call the myMethod method on myObj via myPointer.

One important thing to note when working with object pointers is that you need to allocate memory for the object before you can use it. Here's an example of how to do that:


MyClass* myPointer = new MyClass;

This creates a new instance of MyClass on the heap and returns a pointer to it. When you're done using the object, don't forget to free the memory with the delete keyword:


delete myPointer;

Using pointers to objects can be a powerful tool in your C++ programming arsenal. With the tips and examples provided in this guide, you'll be able to start using them in your own projects in no time.

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