java data types

There is two types in java programming language .The First is primitive and the second is object reference.

I will explain here the primitive data types :

Data Type : boolean

Size in Byte : 1 byte
Size in Bits : 8bits
Values: True or False
Wrapper: java.lang.Boolean

Data Type : byte

Size in Byte : 1byte
Size in Bits : 8bits
Values: signed integer
Wrapper:java.lang.Byte

Data Type :char

Size in Byte : 2bytes
Size in Bits : 16bits
Values: unicode character
Wrapper: java.lang.Character

Data Type : integer

Size in Byte : 4bytes
Size in Bits : 32bits
Values: signed /unsigned integer
Wrapper:java.lang.Integer

Data Type : short

Size in Byte : 2bytes
Size in Bits : 16bits
Values: signed/unsigned integer
Wrapper: java.lang.Short

Data Type : long

Size in Byte : 8bytes
Size in Bits : 64bits
Values: signed /unsigned integer
Wrapper: java.lang.Long

Data Type : float

Size in Byte : 4bytes
Size in Bits : 32bits
Values: Real number /Floating point
Wrapper:java.lang.Float

Data Type : double

Size in Byte : 8bytes
Size in Bits : 64bits
Values: Real number /Floating point
Wrapper:java.lang.Double