From 5b7359abbc4093ac1276ea7686508aa8ade06ee6 Mon Sep 17 00:00:00 2001 From: Jason Zhu Date: Tue, 23 Feb 2021 11:03:19 +1100 Subject: [PATCH] Finished Using IDisposable, repo at 578bebe --- csharp_fundamentals/8_oop.md | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/csharp_fundamentals/8_oop.md b/csharp_fundamentals/8_oop.md index 35d9c2a..8ea1397 100644 --- a/csharp_fundamentals/8_oop.md +++ b/csharp_fundamentals/8_oop.md @@ -165,4 +165,13 @@ namespace InterfaceDemo * Naming Convention: Interface is begin by `I`. e.g. `IBook` * Interfaces are far more commen than abstract class -* When class inherit from interface, methods from interface must be implemented, even if it's abstract class, and implemented methods are virtual \ No newline at end of file +* When class inherit from interface, methods from interface must be implemented, even if it's abstract class, and implemented methods are virtual + +## Writing Grades to a File & Using IDisposable + +Reference: +* [Implement a Dispose method (.NET fundamentals)](https://docs.microsoft.com/en-us/dotnet/standard/garbage-collection/implementing-dispose) +* [Usage and Importance of Using in C# -> Using Statment (for garbage collection)](https://www.c-sharpcorner.com/UploadFile/manas1/usage-and-importance-of-using-in-C-Sharp472/) + +* .NET has garbage collector to recycle memory. We also has some resource that want to release once used as soon as possible. .NET provide `IDisposable` interface to notify and automatically recycle resource. +* `using` statement \ No newline at end of file