# What Is Not an Integer Data Type?

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Larry Thompson

What Is Not an Integer Data Type?

An integer data type is a fundamental concept in programming. It is used to represent whole numbers, both positive and negative, without any fractional or decimal part.

However, there are certain values that do not fall under the category of an integer data type. Let’s explore what these values are.

## 1. Floating-Point Numbers

Floating-point numbers, also known as real numbers, are numbers that can have a fractional part or a decimal point.

They include both rational and irrational numbers. Unlike integers, floating-point numbers can represent values with decimal places.

### Example:

`3.14`, `-0.5`, `2.71828`

## 2. Strings

A string is a sequence of characters enclosed within quotation marks (single or double).

It can contain letters, numbers, symbols, and even spaces. While strings can represent numeric values, they are not considered as integer data types since they are not used for mathematical operations.

### Example:

`"Hello World"`, `"12345"`, `"42"`

## 3. Booleans

A boolean data type has only two possible values: true or false. It is used to represent logical values like the result of a comparison or a condition.

### Example:

`true`, `false`

## 4. Null

The null value represents the absence of any object or value.

It is often used to indicate that a variable does not currently have a value assigned to it. While null is not considered an integer data type, it can be used with objects that do have an integer data type.

`null`

## Conclusion

While an integer data type is used to represent whole numbers without any fractional or decimal part, there are other types of values that do not fall under this category. These include floating-point numbers, strings, booleans, and null values. Understanding the different data types available in programming is essential for accurately representing and manipulating various kinds of information.