摘要:
class Single { private static Single s=null; private Single(){} public static Single getInstance() { if(s==null) { synchronized(Single.class) {... 阅读全文
posted @ 2018-07-22 17:18
简简单单zjl
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摘要:
public class TicketDemo { public static void main(String[] args) { Ticket t=new Ticket(); Thread t1=new Thread(t); t1.setName("One--"); t1.start(); T... 阅读全文
posted @ 2018-07-22 13:25
简简单单zjl
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