[C#] Collection, Inheritance (Feat. base keyword)

Collections 1. Collection classes are defined in namespaces - System.Collections ð Not automatically included - System.Collections.Generic ð Automatically included 2. ArrayList can hold every datatype ð But the cost is type casting, every time we retrieve elements in ArrayList we should check datatype ð Generic version(List) is more Inheritance SuperClass : BaseClass SubClass : DerivedClass Pare..

2021.10.02