/**
 * Demonstrates new feature _previewed_ in Java 21.
 * Previewed features may not be permanent.
 * 
 * Compile and run using 
 *      javac --source 21 --enable-preview Hello.java
 *      java --source 21 --enable-preview Hello.java
 *
 *
 * @author Sara Sprenkle
 */
public class Hello {

    void main() {
        System.out.println("Hello!");
    }
    
}