#   
## Overview

The **`toLowerCase()` method** is a static method in the `Character` class in Java, which is used to convert a character to lowercase. The input to this function is a character.

> If you need to convert a string to lowercase, refer to the [String.toLowerCase](https://www.educative.io/answers/what-is-stringtolowercase-in-java) method.

#   
## Syntax

```
public static char toLowerCase(char ch)
```

## Parameters
* `char ch`: the character that needs conversion.

## Return value
* Lowercase version of the character.

#   
## Example

In the code below, we use the `toLowerCase` function to convert different characters to lowercase.

public class Main {

    public static void main( String args[] ) {
        char ch = 'a';
        System.out.println(Character.toLowerCase(ch));
        ch = 'A';
        System.out.println(Character.toLowerCase(ch));
        ch = 'z';
        System.out.println(Character.toLowerCase(ch));
        ch = 'Z';
        System.out.println(Character.toLowerCase(ch));
    }
}

What is Character.toLowerCase in Java?

Converts a character to lowercase in Java using Character.toLowerCase(). For strings, use String.toLowerCase.