# Operators

Christine_Yang271 total contributions

Published May 6, 2021Updated Sep 27, 2023

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C++ supports different types of **operators** such as arithmetic, relational, and logical operators.

## Arithmetic Operators

Arithmetic operators can be used to perform common mathematical operations:

`+`

addition`-`

subtraction`*`

multiplication`/`

division`%`

modulo (yields the remainder)

int x = 0;x = 4 + 2; // x is now 6x = 4 - 2; // x is now 2x = 4 * 2; // x is now 8x = 4 / 2; // x is now 2x = 4 % 2; // x is now 0

## Relational Operators

Relational operators can be used to compare two values and return true or false depending on the comparison:

`==`

equal to`!=`

not equal to`>`

greater than`<`

less than`>=`

greater than or equal to`<=`

less than or equal to

if (a > 10) {// ☝️ means greater than}

## Logical Operators

Logical operators can be used to combine two different conditions.

`&&`

requires both to be true (`and`

)`||`

requires either to be true (`or`

)`!`

negates the result (`not`

)

if (coffee > 0 && donut > 1) {// Code runs if both are true}if (coffee > 0 || donut > 1) {// Code runs if either is true}if (!tired) {// Code runs if tired is false}

Note:Operator overloading is possible in C++. This means that operators can be used with custom types. For example, the`+`

operator can be used to add two custom defined classes together. See overloading.

Below are some other operators that are used in C++:

## Operators

- Bitwise Operators
- C++ supports different types of bitwise operators that can perform operations on integers at bit-level.

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