// Simple program that demonstrates the use of a String parameter.
// Also demonstrates the use of String variables.
public class SayHello {
    public static void main(String[] args) {
        sayHello("Kyle");
        
        String someone = "Alan";
        sayHello(someone);
        
        someone = "Meredith";
        sayHello(someone);
    }

    // prints a hello message using the given name
    public static void sayHello(String name) {
        System.out.println("hello " + name + ", how are you?");
    }
}