What is Data Type in Java ?

A Data Type in programming language is a set of data with values having predefined characteristics. There are mainly two types of Data Type :

  • Primitive Data Type
  • Non-primitive Data Type

Primitive Data Type :

boolean 1-bit
char 2-bytes
byte 1-byte
short 2-bytes
int 4-bytes
long 8-bytes
Float 4-bytes
double 8-bytes

Non-primitive Data Type :

  • String
  • array

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