개요
- Java Singleton
- Java 싱글턴
public class App {
public static void main(String[] args) {
methodA();
methdoB();
}
private static void methodA() {
MusicPlayer musicPlayer = MusicPlayer.getInstance();
System.out.println(musicPlayer);
}
private static void methdoB() {
MusicPlayer musicPlayer = MusicPlayer.getInstance();
System.out.println(musicPlayer);
}
}
class MusicPlayer {
private static final MusicPlayer instance = new MusicPlayer();
private MusicPlayer() {
}
public static MusicPlayer getInstance() {
return instance;
}
}