C# Data Types

• Integer Types

Note: byte, ushort, uint, ulong can store only unsigned integer values. where as short, int, long, sbyte can store signed values.

• Float or Decimal Types

• Boolean Type

• Character Types

• Root Type

The size of char type has been increased to 2 bytes providing a support for unicode characters i.e., Multi Language usage support other than english. where the numeric representation of other language character is known as unicode value that requires 2 bytes memory for settle.

String type doesn't have any fixed size because it was a variable length type.

The object type is capable of storing any type of value init and it was also a variable length type.

Syntax for variable declaration:

Examples:

• int x;
• string str = "hello";
• double d1, d2, d3;
• public bool flag = true;
• public const float pi = 3.14f; //without "f" it will be treated as decimal and assigning value to const var is mandatory.
• public readonly int y = 300;

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Posted in: C#.Net OOPS