// $xId: SayHello.java,v 1.1 2000-11-30 20:37:41+09 kaiya Exp kaiya $

public class SayHello{
	public static void main(String[] args){
		Hello hi;

		hi=new Hello("Nagano");
		hi.say();

		hi=new Hello();
		hi.say();
		hi.set("Okinawa");
		hi.say();
	}
}

class Hello{
	private String say="hello";

	Hello(String s){say=s;}
	Hello(){}

	void say(){ System.out.println(say); }

	String get(){return say;}
	void set(String s){ say=s; }

}