Characteristics of Reference-type variables
State the characteristics of the reference-type variables which is supported in the C# programming language.
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Variables which are based upon the reference types stores the references to the actual data.
Keywords which is used for declaring reference types are:
a) Class – It refers to the primary building blocks for the programs, that is used to encapsulate the variables and methods into a single unit.
b) Interface - It consists of the signatures of methods, properties, events, or indexers.
c) Delegate - It refers to a reference type which is used to encapsulate a named or anonymous method.
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