integer

A number without a decimal (0, 1, 25, 173, 1032, etc.). Integer values can be less than, equal to, or greater than zero.

A positive or negative whole number. The primitive types byte, short, int and long are used to hold integer values within narrower or wider ranges.

A number with no fractional (decimal) part. A counting number, like 1, 2, 3, and so on, but including 0 and the negatives.