There are four integer types, byte, short, int, long.

Corresponding to 8-bit, 16-bit, 32-bit, 64-bit. The value range is -2^(bit-1) ~ 2^(bit-1)-1.

So defining the variables as: byte, short, int, long is an integer variable, and I think their wrapper class should be an integer variable as well.

Then the others are also non Byte,Short,Inteager,Long.

Then the others are also non-integer variables.