Program 1
| | SingletonDemo.java - Skabelonen for en Singleton klasse i Java. | Lecture 15 - slide 15 : 31 Program 1 |
class Singleton {
protected int singletonData;
private static Singleton uniqueInstance = null;
private Singleton(){
// initialisering af data:
singletonData = 5;
}
public static Singleton instance() {
if (uniqueInstance == null)
uniqueInstance = new Singleton();
return(uniqueInstance);
}
// Singleton instansmetoder:
// ...
} // end Singleton |