# Operators in Java

An operator is a symbol that tells the computer to perform certain mathematical or logical manipulations. Operators are used in programs to manipulate data and variables. Java supports a rich set of operators.

Java operators can be classified into 8 categories are given as below :

1. **Arithmetic Operators:** Arithmetic Operators are used to constructing mathematical expressions as in algebra. Java provides all the basic arithmetic operators.

Operator | Meaning |

+ | Addition |

- | Subtraction |

* | Multiplication |

/ | Division |

% | Remainder |

2. **Relational Operators:** When we compare two quantities and depending on their relation, then we used some relational symbol that is called Relational Operators.

Operator | Meaning |

< | less than |

<= | less than or equal to |

> | greater than |

>= | greater than or equal to |

(==) | equal to |

!= | not equal to |

3. **Logical Operators:** An expression that combines two or more relational expressions is called Logical Operators or Compound Operators.

Operator | Meaning |

&& | logical AND |

|| | logical OR |

! | logical NOT |

4. **Assignment Operators:** Assignment Operators are used to assigning the value of an expression to a variable.

5. **Increment and decrement operators :** Java has two useful operators and these are the Increment and decrement operators.

**+ +** and **– –**

6. **Conditional Operators:** The character pair **?:** is a ternary operator, it is used to construct conditional expressions that are called Conditional Operators.

7. **Special Operators:** Java supports some special operators such as **instanceof **opeartor and member of selection operator or dot operator **(.)** .

8. **Bitwise Operators:** Java has a distinction of supporting special operators that are known as Bitwise Operators. It is used to manipulate data at values of bit-level and also used for testing the bits or shifting them to the right or left. Bitwise Operators may not be applied to **float** or **double** data types.

Operator | Meaning |

& | bitwise AND |

! | bitwise OR |

^ | bitwise exclusive OR |

~ | One's Complement |

<< | Shift left |

>> | Shift right |

>>> | Shift right with zero fill |

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