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.
Arithmetic expression: It is an expression comprising numerical values of integer or floating point kinds. For example, operators like +, -, *, / and % get arithmetic expressions as their operands and generate arithmetic values as their outcomes.
Constant: It is the memory block where value can be stored once although can’t modify later on throughout program execution. Example: const int pi =3.14;
Operand: An operand is an argument of the operator. Expressions comprise combinations of operands and operators. The value of an expression is determined by exerting the operation stated by each and every operator to the value of its operands.
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Compiler: A program that executes a process of compilation on a program written in the high level programming language.
Loop variable: A variable employed to control the operation of a loop, like a for loop. Usually, a loop variable will be provided an initial value and it is then incremented after each and every iteration till it passes or reaches a terminating value.
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