| package test; | |
| public final class Singleton { | |
| private Singleton() {} | |
| private static Singleton INSTANCE; | |
| public static String getString() { | |
| return getInstance().toString(); | |
| } | |
| public static Singleton getInstance() { | |
| if (INSTANCE == null) { | |
| INSTANCE = new Singleton(); | |
| } | |
| return INSTANCE; | |
| } | |
| } |