Diseño de aplicaciones orientadas a objetos
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package patronSingleton;
public class Singleton {
private static Singleton instancia = null;
private Singleton() {}
public static Singleton getSingleton() {
if (instancia==null) {
System.out.println("Se genero una instancia de Singleton");
instancia = new Singleton();
}else {
System.out.println("No se puede generar otra instancia de Singleton");
}
return instancia;
}
}