From 9c67741e28e8789d9f6914ae155108221b369876 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sat, 7 Mar 2026 16:02:08 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day06-synchornized=E5=90=8C?=
 =?UTF-8?q?=E6=AD=A5=E6=96=B9=E6=B3=95=E8=A7=A3=E5=86=B3=E7=BA=BF=E7=A8=8B?=
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Content-Type: text/plain; charset=UTF-8
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---
 .../com/inmind/syncnized05/TicketTask.java    | 36 ++++++++++++-------
 .../com/inmind/syncnized_method06/Demo06.java | 25 +++++++++++++
 .../inmind/syncnized_method06/TicketTask.java | 29 +++++++++++++++
 3 files changed, 78 insertions(+), 12 deletions(-)
 create mode 100644 javaSE-day06/src/com/inmind/syncnized_method06/Demo06.java
 create mode 100644 javaSE-day06/src/com/inmind/syncnized_method06/TicketTask.java

diff --git a/javaSE-day06/src/com/inmind/syncnized05/TicketTask.java b/javaSE-day06/src/com/inmind/syncnized05/TicketTask.java
index eb11f5e..4fe67ec 100644
--- a/javaSE-day06/src/com/inmind/syncnized05/TicketTask.java
+++ b/javaSE-day06/src/com/inmind/syncnized05/TicketTask.java
@@ -10,19 +10,31 @@ public class TicketTask implements Runnable{
         //有票就卖
         while (true) {
             //使用同步代码块解决线程安全问题
-            synchronized (lock){
-                if (tickeCount > 0) {
-                    try {
-                        Thread.sleep(50);
-                    } catch (InterruptedException e) {
-                        e.printStackTrace();
-                    }
-                    System.out.println(Thread.currentThread().getName() + "正在卖第" + tickeCount + "张电影票");
-                    tickeCount--;
-                } else {
-                    break;
-                }
+            //注意：一定是抢到锁对象的线程才能进入到同步代码块，执行代码，其他没有抢到的线程会被阻塞在此
+//            synchronized (lock){
+                sellTicket();
+//            }
+        }
+    }
+
+    /*
+    卖票方法
+    同步方法中有没有锁对象???
+        同步成员方法的锁对象:this
+        同步静态方法的锁对象:Class对象(反射)
+
+    复习：静态方法只能访问静态内容（静态变量和静态方法），静态只跟类有关，跟对象无关
+     */
+    //抽取出一个卖票方法
+    public synchronized void sellTicket(){
+        if (tickeCount > 0) {
+            try {
+                Thread.sleep(50);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
             }
+            System.out.println(Thread.currentThread().getName() + "正在卖第" + tickeCount + "张电影票");
+            tickeCount--;
         }
     }
 }
diff --git a/javaSE-day06/src/com/inmind/syncnized_method06/Demo06.java b/javaSE-day06/src/com/inmind/syncnized_method06/Demo06.java
new file mode 100644
index 0000000..51d9c0c
--- /dev/null
+++ b/javaSE-day06/src/com/inmind/syncnized_method06/Demo06.java
@@ -0,0 +1,25 @@
+package com.inmind.syncnized_method06;
+
+/*
+synchronized能够修饰代码块和方法,修饰代码块之后就被称之为同步代码块,修饰方法之后就被称之为同步方法
+
+    同步方法语法:
+    修饰符 synchronized 返回值类型 方法名(参数列表){
+        方法体
+    }
+
+    同步方法:就是在整个方法体的所有代码上都加上同步代码块
+
+    同步方法也是有锁对象的，只不过这个锁对象不需要我们程序员创建
+ */
+public class Demo06 {
+    public static void main(String[] args) {
+        //创建3个窗口来执行同一个任务
+        TicketTask ticketTask = new TicketTask();
+
+        new Thread(ticketTask,"窗口1").start();
+        new Thread(ticketTask,"窗口2").start();
+        new Thread(ticketTask,"窗口3").start();
+
+    }
+}
diff --git a/javaSE-day06/src/com/inmind/syncnized_method06/TicketTask.java b/javaSE-day06/src/com/inmind/syncnized_method06/TicketTask.java
new file mode 100644
index 0000000..179c17b
--- /dev/null
+++ b/javaSE-day06/src/com/inmind/syncnized_method06/TicketTask.java
@@ -0,0 +1,29 @@
+package com.inmind.syncnized_method06;
+
+public class TicketTask implements Runnable{
+    //定义100张票电影票
+    int tickeCount = 100;
+    Object lock = new Object();//创建一个锁对象
+
+    @Override
+    public void run() {
+        //有票就卖
+        while (true) {
+            //使用同步代码块解决线程安全问题
+            //注意：一定是抢到锁对象的线程才能进入到同步代码块，执行代码，其他没有抢到的线程会被阻塞在此
+            synchronized (lock){
+                if (tickeCount > 0) {
+                    try {
+                        Thread.sleep(50);
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+                    System.out.println(Thread.currentThread().getName() + "正在卖第" + tickeCount + "张电影票");
+                    tickeCount--;
+                } else {
+                    break;
+                }
+            }
+        }
+    }
+}