s-day06-synchornized代码块解决线程安全问题

2026-08-06 11:22:55 +08:00
parent ecacfc7ead
commit 17f951ccc3
3 changed files with 57 additions and 2 deletions
@@ -0,0 +1,29 @@
+package com.inmind.thread_safe_sychronized05;
+
+//卖票任务:就是卖100张票
+public class TicketTask implements Runnable{
+    int ticketCount = 100;//100张票
+    Object lock = new Object();//锁对象
+
+    @Override
+    public void run() {
+        //有票就卖
+        while (true) {
+            synchronized (lock){//这里是3个线程共享的同一个锁对象
+                //如果有票就卖
+                if (ticketCount > 0) {
+                    //模拟卖票时间
+                    try {
+                        Thread.sleep(50);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+                    System.out.println(Thread.currentThread().getName() + "正在卖第" + ticketCount + "张票");
+                    ticketCount--;
+                } else {
+                    break;//结束循环
+                }
+            }
+        }
+    }
+}