摘要： package DUOXIAN; import java.util.concurrent.TimeUnit; public class Sync { public static void main(String[] args) { MySync ms =new MySync(); new Threa 阅读全文

摘要： public static void main(String[] args) { Ticket t =new Ticket(50); Thread t1 = new Thread(t,"科学一道"); Thread t2 = new Thread(t,"科学二道"); Thread t3 = new 阅读全文

摘要： public class guan { public static void main(String[] args) { //多长时间关机 new Thread(()->{ long t1 = System.currentTimeMillis(); while (true){ long ok =Sy 阅读全文