int: 32-bit (4-byte) integer, has a minimum value of -231 and a maximum value of 231-1.
short: 16-bit (2-byte) integer, has a minimum value of -32,768 and a maximum value of 32,767.
long: 64-bit (8-byte) integer, has a minimum value of -263 and a maximum value of 263-1.
float: 32-bit (4-byte) floating point value
double: 64-bit (8-byte) floating point value
char: 16-bit (2-byte) character using Unicode encoding scheme
Boolean: a true or false value
For more information, visit Oracle: Primitive Data Types
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