Numeric Types

int represents integers ranging from -2³¹ through 2³¹-1.

long represents very large integers to the extent supported by the machine’s memory.

float represents floating-point numbers with 16 digits of precision.

int represents integers ranging from -2³¹ through 2³¹-1 (4 bytes).

>long represents larger integers ranging from -2⁶³ through 2⁶³-1 (8 bytes).

short represents smaller integers ranging from -2¹⁵ through 2¹⁵-1 (2 bytes).

float represents smaller floating-point numbers with 7 digits of precision (4 bytes).

double represents larger floating-point numbers with 16 digits of precision (8 bytes).