Singleton mode: hungry and lazy Mode

1. Hunger Mode

/** <Br/> * Singleton Mode 1 <br/> * @ author hlantian <br/> */<br/> public class Singleton {<br/> Private Static final Singleton SL = new Singleton (); </P> <p> private Singleton () {<br/>}</P> <p> Public static Singleton getinstance () {<br/> return SL; <br/>}< br/>}

 

2 lazy Mode

/** <Br/> * Singleton Mode 2 lazy mode <br/> * @ author hlantian <br/> */<br/> public class singleton2 {<br/> Private Static singleton2 instance = NULL; <br/> private singleton2 () {}</P> <p> Public static singleton2 getinstance () {<br/> If (instance = NULL) {<br/> instance = new singleton2 (); <br/>}< br/> return instance; <br/>}< br/>