Java toLowerCase() Method

Java String Class

The toLowerCase() method converts a string to lowercase.

Syntax

public String toLowerCase()

或

public String toLowerCase(Locale locale)

Parameters

• None

Return Value

The string converted to lowercase.

Example

public class Test {
    public static void main(String args[]) {
        String Str = new String("WWW.example.com");

        System.out.print("返回值 :" );
        System.out.println( Str.toLowerCase() );
    }
}

The above program produces the following result:

返回值 :www.example.com

Java String Class