What is a finalizer in C#?

What is a finalizer in C#?

A finalizer in C# is a special method that is called when an object is being garbage collected. It allows you to clean up unmanaged resources.

How does a finalizer differ from a destructor?

In C#, a finalizer is the same as a destructor. They are both used to perform cleanup operations before an object is reclaimed by garbage collection.

When should I implement a finalizer?

You should implement a finalizer if your class uses unmanaged resources that need to be released explicitly, like file handles or database connections.

Are there any performance implications of using finalizers?

Yes, using finalizers can impact performance because they add overhead to garbage collection. It's often better to implement the IDisposable interface instead.