public class BasicSingleton {
static Singleton s1 = null, s2 = null;
public static void main(String[] args) {
s1 = Singleton.getInstance();
s2 = Singleton.getInstance();
}
}
class Singleton {
private static Singleton mySingleton = null;
private Singleton() {
}
public static synchronized Singleton getInstance() {
if (null == mySingleton) {
mySingleton = new Singleton();
System.out.println(mySingleton.toString());
} else {
System.out.println(mySingleton.toString());
}
return mySingleton;
}
}