Created
March 28, 2016 18:52
-
-
Save vitorvezani/66a38b511b2dfaac5233 to your computer and use it in GitHub Desktop.
Singleton Java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
public final class Singleton { | |
private static final Singleton INSTANCE = new Singleton(); | |
private Singleton() { | |
if (INSTANCE != null) { | |
throw new IllegalStateException("Already instantiated"); | |
} | |
} | |
public static Singleton getInstance() { | |
return INSTANCE; | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment