# Program for Area Of Square

A square is a flat shape, in one plane, defined by four points at the four corners. A square has four sides all of equal length, and four corners, all right angles (90 degree angles). A square is a kind of rectangle.

**Examples :**

Input : 4 Output :16 Input :8 Output :64

**Formula**

## C++

`// CPP program to find ` `// the area of the square ` `#include <iostream> ` `using` `namespace` `std; ` ` ` `int` `areaSquare(` `int` `side) ` `{ ` ` ` `int` `area = side * side; ` ` ` `return` `area; ` `} ` ` ` `// Driver Code ` `int` `main() ` `{ ` ` ` `int` `side = 4; ` ` ` `cout << areaSquare(side); ` ` ` `return` `0; ` `} ` |

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## Java

`// Java program to find ` `// the area of the square ` `import` `java.util.*; ` ` ` `class` `GFG ` `{ ` ` ` `static` `int` `areaSquare(` `int` `side) ` ` ` `{ ` ` ` `int` `area = side * side; ` ` ` `return` `area; ` ` ` `} ` ` ` ` ` `// Driver Code ` ` ` `public` `static` `void` `main(String[] args) ` ` ` `{ ` ` ` `int` `side = ` `5` `; ` ` ` `System.out.println(areaSquare(` `4` `)); ` ` ` `} ` `} ` |

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## Python3

`# Python3 code to find ` `# the area of the square ` ` ` `def` `areaSquare( side ): ` ` ` `area ` `=` `side ` `*` `side ` ` ` `return` `area ` ` ` `# Driver Code ` `side ` `=` `4` `print` `(areaSquare(side)) ` ` ` `# This code is contributed ` `# by "Sharad_Bhardwaj". ` |

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## C#

`// C# program to find ` `// the area of the square ` `using` `System; ` ` ` `class` `GFG ` `{ ` ` ` `static` `int` `areaSquare(` `int` `side) ` ` ` `{ ` ` ` `int` `area = side * side; ` ` ` `return` `area; ` ` ` `} ` ` ` ` ` `// Driver code ` ` ` `public` `static` `void` `Main() ` ` ` `{ ` ` ` `int` `side = 4; ` ` ` ` ` `Console.WriteLine(areaSquare(side)); ` ` ` `} ` `} ` ` ` `// This code is contributed by vt_m ` |

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## PHP

`<?php ` `// PHP program to find ` `// the aria of the square ` ` ` `function` `areaSquare(` `$side` `) ` `{ ` ` ` `$area` `= ` `$side` `* ` `$side` `; ` ` ` `return` `$area` `; ` `} ` ` ` `// Driver Code ` `$side` `= 4; ` `echo` `(areaSquare(` `$side` `)); ` ` ` `// This code is contributed by Ajit. ` `?> ` |

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**Output :**

16

This article is contributed by **Ajay Puri**. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

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