C# Memory Management 3 parts

https://medium.com/c-programming/c-memory-management-part-1-c03741c24e4b
https://medium.com/c-programming/c-memory-management-part-2-finalizer-dispose-d3b3e43c08d1
https://medium.com/c-programming/c-memory-management-part-3-garbage-collection-18faf118cbf1