How to Change String Uppercase into Lowercase in Java

This example demonstrates how to change the string’s Uppercase into Lowercare by toLowerCase method.

Source Code

package com.beginner.examples;

public class StringToLowerCase {

	public static void main(String[] args) {
		
		String string = "HELLO WORLD.";
		
		/*
		 *  To change the case of string to lower case use toLowerCase method of String.
		 */
		String stringResult = string.toLowerCase();
		System.out.println("Before changing to lowercase , String is : " + string);
		System.out.println("After changing to lowercase , String is : " + stringResult);
	}

}

Output:

Before changing to lowercase , String is : HELLO WORLD.
After changing to lowercase , String is : hello world.