What are collections and generics
What are collections and generics?
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A collection can be defined as a group of related items that can be referred to as a single unit. The System.Collections namespace provides you with many classes and interfaces. Some of them are - ArrayList, List, Stack, ICollection, IEnumerable, and IDictionary. Generics provide the type-safety to your class at the compile time. While creating a data structure, you never need to specify the data type at the time of declaration. The System.Collections.Generic namespace contains all the generic collections.
Passing by address or reference: In this technique no separate memory build for formal variables that is, formal variables share similar location of actual variables and therefore any change on formal variables automatically reflected back to real var
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Iteration: The repetition of a set of statements, generally employing a looping control structure, like a while loop, for loop and do loop.
Package: The named grouping of classes and interfaces which gives a package namespace. Classes, interfaces and class members devoid of an explicit public, protected or private access modifier {access!modifier} encompass package visibility. The public
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Interpretational inner class: It is an inner class whose role is to give a view or interpretation of data belongs to its enclosing class, however independent of the data's real representation.
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