How to Convert a String to Lowercase in Java?

Java – Convert a String to Lowercase

To convert a string to lowercase in Java, call toLowerCase() method on the string object. The method returns a new String object with the characters in the original string transformed to lowercase letters.

The syntax to convert a string to lowercase is

String.toLowerCase()

1. Convert string to lowercase in Java using String.toLowerCase()

In the following program, we have taken a string and shall convert it to lowercase using String.toLowerCase() method.

Java Program

public class Example {
	public static void main(String[] args){
		String str = "ABcDefGH";
		String result = str.toLowerCase();
		System.out.println("Original String  : " + str);
		System.out.println("Lowercase String : " + result);
	}
}

Output

Original String  : ABcDefGH
Lowercase String : abcdefgh

Conclusion

In this Java Tutorial, we learned how to convert a String to lowercase, using String.toLowerCase() method.