7.4.2021
Singleton
The Singleton pattern describes the practice of restricting the instantiation of a class to one "single" instance. This is useful when exactly one object is needed to coordinate actions across the system.
public class Singleton {
private static Singleton instance;
private Singleton () {}
public static Singleton getInstance () {
if (Singleton.instance == null) {
Singleton.instance = new Singleton ();
}
return Singleton.instance;
}
}
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