There are 8 types of primitive data types:
- 'boolean' data type.
- 'byte' data type.
- 'char' data type.
- 'short' data type.
- 'int' data type.
- 'long' data type.
- 'float' data type.
- 'double' data type.
byte 1 byte //Stores whole numbers from -128 to 127
short 2 bytes //Stores whole numbers from -32,768 to 32,767
int 4 bytes //Stores whole numbers from -2,147,483,648 to 2,147,483,647
long 8 bytes //Stores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
float 4 bytes //Stores fractional numbers. Sufficient for storing 6 to 7 decimal digits
double 8 bytes //Stores fractional numbers. Sufficient for storing 15 decimal digits
boolean 1 bit //Stores true or false values
char 2 bytes //Stores a single character/letter or ASCII