Java toLowerCase() method

The Java toLowerCase() method returns the string in lowercase letters. In other words, it converts all string characters into lowercase letters.

Example

Let’s understand the method with the help of a program:

package com.testingdocs.stringmethods;

public class ExampleProgram {

 public static void main(String[] args) {

 String str= "This is a SAMPLE Sentence Example.";
 
 // toLowerCase() method demo
 System.out.println("Before : " + str);
 System.out.println("After toLowerCase: " + str.toLowerCase());
 }
}

Program Output

The sample Java program produces the following output as shown below:

Java Tutorials

Java Tutorial on this website:

• https://www.testingdocs.com/java-tutorial/

For more information on Java, visit the official website :

• https://www.oracle.com/in/java/