单例设计demo
单例设计demo<div id="cnblogs_post_body">class Single {
private static Single instance = new Single();
private Single() {
}
public static Single getInstance() {
return instance;
}
public void print() {
System.out.println("This is a singleDemo test");
}
}
public class SingletonDemo {
/**
* <p> 单例设计</p>
* <p>使用"类名.方法名"调用静态方法</p>
* @created on 2012-4-24
*/
public static void main(String args[]) {
Single s = null;
s = Single.getInstance();
s.print();
}
}
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