Integer

A whole number. The following are integers:

0

1

-125

144457

In contrast, the following are notintegers:

5.34

-1.0

1.3E4

“string”

The first three are floating-point numbers; the last is a character string.

Integers, floating-point numbers, and character strings constitute the basic data types that most computers support. There are often different sizes of integers available; for example, PCs support short integers, which are 2 bytes, and long integers, which are 4 bytes.

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