解决多线程安全问题

CPU-Code · CPU-Code · commit 203078d2792b · 2021-07-26T21:59:32.000+08:00
diff --git a/thread/README.md b/thread/README.md
@@ -108,6 +108,7 @@
 ## [synchronized](src/main/java/com/cpucode/java/synchronize)
 
 - [x] [多线程安全问题](src/main/java/com/cpucode/java/synchronize/ThreadDemo.java)
+- [x] [解决多线程安全问题](src/main/java/com/cpucode/java/synchronize/SynchronizeDemo.java)
 
 - [返回文件目录](#文件目录)
 
diff --git a/thread/src/main/java/com/cpucode/java/synchronize/SynchronizeDemo.java b/thread/src/main/java/com/cpucode/java/synchronize/SynchronizeDemo.java
@@ -0,0 +1,33 @@
+package com.cpucode.java.synchronize;
+
+/**
+ * @author : cpucode
+ * @date : 2021/7/26
+ * @time : 21:56
+ * @github : https://github.com/CPU-Code
+ * @csdn : https://blog.csdn.net/qq_44226094
+ */
+public class SynchronizeDemo {
+    private static int count = 0;
+
+    public static void inc(){
+        synchronized (SynchronizeDemo.class){
+            try{
+                Thread.sleep(1);
+            }catch (InterruptedException e){
+                e.printStackTrace();
+            }
+            count++;
+        }
+    }
+    public static void main(String[] args) throws InterruptedException {
+        for(int i = 0; i < 1000; i++){
+            new Thread(()->{
+                SynchronizeDemo.inc();
+            }).start();
+        }
+
+        Thread.sleep(3000);
+        System.out.println("运行结果" + count);
+    }
+}
