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.
Define the term Arpanet: It is a network which was a forerunner of the global Internet.
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What is the use of new operator?
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Append mode: It is a file writing mode, in which the existing contents of a file are maintained whenever the file is opened. Novel contents are appended to the existing.
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