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cicadasmile
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Java并发：多线程并发访问，同步控制
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‎README.md

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## 参考文章
22

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### JavaSE基础篇
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### JavaSE基础
44

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[Java基础篇(01)：基本数据类型，核心点整理](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484444&idx=2&sn=c5590ea2d71a0a358d2f9cd96c3c2b19&chksm=fdf450a4ca83d9b2383032c1aa354a59a0ca6d52981f2a58d6d3142bde7ed1605b4fcde3b4d9&token=1530600379&lang=zh_CN#rd)<br/>
6-
[Java基础篇(02)：特殊的String类，和相关扩展API](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484444&idx=1&sn=2cd50529d3d6ff97a9efce6158891c7c&chksm=fdf450a4ca83d9b29f3edf3c4999885278f7e9130a71b1d2f7f54057dcb07a3b95964547e862&token=1530600379&lang=zh_CN#rd)<br/>
7-
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### JavaSE并发篇
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[Java并发编程(01)：线程的创建方式，状态周期管理](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484431&idx=1&sn=9bdac46fa8309a7618542471c8256b8f&chksm=fdf450b7ca83d9a17a3615c5380a163b93b68a7f2c506e533eec4921b87e8386c65dd629a159&token=1530600379&lang=zh_CN#rd)<br/>
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|序号|文章标题|
6+
|:---:|:---|
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|A01|[Java基础：基本数据类型，核心点整理](https://mp.weixin.qq.com/s/YwrBptAd2SrWefFIiN86Yw)|
8+
|A02|[Java基础：特殊的String类，和相关扩展API](https://mp.weixin.qq.com/s/HI6yklzR118G2Y-rJzl47g)|
9+
|B01|[Java并发：线程的创建方式，状态周期管理](https://mp.weixin.qq.com/s/h0zuh364It-fDtQyYdzIwA)|
10+
|B02|[Java并发：线程核心机制，基础概念扩展](https://mp.weixin.qq.com/s/nU5tbKuAiDf_LDu-8A4Etg)|
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|B03|[Java并发：多线程并发访问，同步控制](https://mp.weixin.qq.com/s/xWhd3vgYPNp-Mm2lJpmFmA)|
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### JavaEE基础
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[JavaEE基础(01)：Servlet实现方式，生命周期执行过程](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484304&idx=1&sn=dd6b6852e35031dd07f70d441f3ddc85&chksm=fdf45728ca83de3e158597030cf46b1677eccf533f9e1412690cd64b0ec0cce544711ceabddb&token=1248678182&lang=zh_CN#rd)<br/>
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[JavaEE基础(02)：Servlet核心API用法详解](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484309&idx=1&sn=fc8237aef2f246f85b978561f4b37e1e&chksm=fdf4572dca83de3b8affdf4a9a8c8b3c18e4c5203c3e663e0bfaeb53788d3e2d26fa829bb8c6&token=1248678182&lang=zh_CN#rd)<br/>
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[JavaEE基础(03)：Http请求详解，握手挥手流程简介](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484318&idx=1&sn=125780e20ada2f3d1451a1563a1c1e6f&chksm=fdf45726ca83de30adc5956a16d16151825b37c0adf5350214899ade39fef47f17ee35b2390d&token=1248678182&lang=zh_CN#rd)<br/>
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[JavaEE基础(04)：会话跟踪技术，Session和Cookie详解](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484325&idx=1&sn=a3c96cff45fac355d947dff9e7f5b9bf&chksm=fdf4571dca83de0b590bbc2864561c33b4b7af512d5b0dce86eca83170a23f007a1786d22f8c&token=362281359&lang=zh_CN#rd)<br/>
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[JavaEE基础(05)：过滤器、监听器、拦截器，应用详解](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484330&idx=1&sn=2754da84764ba5db8bccb1112881af3e&chksm=fdf45712ca83de04848d00451ce473275514ec8e60786c6f8db355190b0360463eb10da6c94c&token=362281359&lang=zh_CN#rd)<br/>
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[JavaEE基础(06)：Servlet整合C3P0数据库连接池](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484335&idx=1&sn=6755f997766ceb8b81c83201ba101553&chksm=fdf45717ca83de01b39de0f3e5ca15607d12960cf5f9e2df391bc6c6af0808018dd2b1969a73&token=362281359&lang=zh_CN#rd)<br/>
20-
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|序号|文章标题|
16+
|:---:|:---|
17+
|01|[Servlet实现方式，生命周期执行过程](https://mp.weixin.qq.com/s/0YMhMX4ET1BxyGJi01grnw)|
18+
|02|[Servlet核心API用法详解](https://mp.weixin.qq.com/s/gC9xknmXLvC7WlwEpPSWXQ)|
19+
|03|[Http请求详解，握手挥手流程简介](https://mp.weixin.qq.com/s/IhrIdiLu2kxe2npgix8KTg)|
20+
|04|[会话跟踪技术，Session和Cookie详解](https://mp.weixin.qq.com/s/8cEgI49Tbb4ezxZEvEq8tg)|
21+
|05|[过滤器、监听器、拦截器，应用详解](https://mp.weixin.qq.com/s/CVhLyZ12BbT9kaclSpIrnw)|
22+
|06|[Servlet整合C3P0数据库连接池](https://mp.weixin.qq.com/s/I-KB6vAEwVMBAVAjEP2RmQ)|
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持续更新中...
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## 项目简介
@@ -30,14 +32,12 @@ Java基础类型，容器，并发，IO流，面向对象，Web编程等代码
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## 推荐项目
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|项目名称|GitHub地址|GitEE地址|推荐指数|
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|:---|:---|:---|:---|
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|Java描述常用设计模式,算法,数据结构|[GitHub·点这里](https://github.com/cicadasmile/model-arithmetic-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/model-arithmetic-parent)|☆☆☆☆☆|
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|Java基础、进阶、并发、面向对象、Web开发|[GitHub·点这里](https://github.com/cicadasmile/java-base-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/java-base-parent)|☆☆☆☆|
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|SpringCloud微服务架构实战综合案例|[GitHub·点这里](https://github.com/cicadasmile/husky-spring-cloud)|[GitEE·点这里](https://gitee.com/cicadasmile/husky-spring-cloud)|☆☆☆☆☆|
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|SpringCloud微服务基础组件案例详解|[GitHub·点这里](https://github.com/cicadasmile/spring-cloud-base)|[GitEE·点这里](https://gitee.com/cicadasmile/spring-cloud-base)|☆☆☆|
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|SpringCloud实现分库分表模式下数据库实时扩容|[GitHub·点这里](https://github.com/cicadasmile/cloud-shard-jdbc)|[GitEE·点这里](https://gitee.com/cicadasmile/cloud-shard-jdbc)|☆☆☆☆☆|
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|SpringBoot框架基础应用入门到进阶|[GitHub·点这里](https://github.com/cicadasmile/spring-boot-base)|[GitEE·点这里](https://gitee.com/cicadasmile/spring-boot-base)|☆☆☆☆|
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|SpringBoot框架整合开发常用中间件|[GitHub·点这里](https://github.com/cicadasmile/middle-ware-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/middle-ware-parent)|☆☆☆☆☆|
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|Spring+Mvc框架基础案例详解|[GitHub·点这里](https://github.com/cicadasmile/spring-mvc-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/spring-mvc-parent)|☆☆|
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|Linux系统基础、运维,常用操作积累|[GitHub·点这里](https://github.com/cicadasmile/linux-system-base)|[GitEE·点这里](https://gitee.com/cicadasmile/linux-system-base)|☆☆☆|
35+
|序号|项目名称|GitHub地址|GitEE地址|推荐指数|
36+
|:---|:---|:---|:---|:---|
37+
|01|Java描述设计模式,算法,数据结构|[GitHub·点这里](https://github.com/cicadasmile/model-arithmetic-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/model-arithmetic-parent)|☆☆☆☆☆|
38+
|02|Java基础、并发、面向对象、Web开发|[GitHub·点这里](https://github.com/cicadasmile/java-base-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/java-base-parent)|☆☆☆☆|
39+
|03|SpringCloud微服务基础组件案例详解|[GitHub·点这里](https://github.com/cicadasmile/spring-cloud-base)|[GitEE·点这里](https://gitee.com/cicadasmile/spring-cloud-base)|☆☆☆|
40+
|04|SpringCloud微服务架构实战综合案例|[GitHub·点这里](https://github.com/cicadasmile/husky-spring-cloud)|[GitEE·点这里](https://gitee.com/cicadasmile/husky-spring-cloud)|☆☆☆☆☆|
41+
|05|SpringBoot框架基础应用入门到进阶|[GitHub·点这里](https://github.com/cicadasmile/spring-boot-base)|[GitEE·点这里](https://gitee.com/cicadasmile/spring-boot-base)|☆☆☆☆|
42+
|06|SpringBoot框架整合开发常用中间件|[GitHub·点这里](https://github.com/cicadasmile/middle-ware-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/middle-ware-parent)|☆☆☆☆☆|
43+
|07|数据管理、分布式、架构设计基础案例|[GitHub·点这里](https://github.com/cicadasmile/data-manage-parent)|[GitEE·点这里](https://gitee.com/cicadasmile/data-manage-parent)|☆☆☆☆☆|

‎java-se-base-parent/model-multy-thread/src/main/java/com/multy/thread/block03access/AccessVar01.java

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package com.multy.thread.block03access;
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public class AccessVar01 {
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public static void main(String[] args) {
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Var01Test var01Test = new Var01Test() ;
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VarThread01A varThread01A = new VarThread01A(var01Test) ;
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varThread01A.start();
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VarThread01B varThread01B = new VarThread01B(var01Test) ;
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varThread01B.start();
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}
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}
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class VarThread01A extends Thread {
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Var01Test var01Test = new Var01Test() ;
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public VarThread01A (Var01Test var01Test){
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this.var01Test = var01Test ;
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}
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@Override
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public void run() {
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var01Test.addNum(50);
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}
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}
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class VarThread01B extends Thread {
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Var01Test var01Test = new Var01Test() ;
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public VarThread01B (Var01Test var01Test){
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this.var01Test = var01Test ;
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}
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@Override
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public void run() {
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var01Test.addNum(10);
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}
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}
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class Var01Test {
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private Integer num = 0 ;
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public synchronized void addNum (Integer var){
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// Integer num = 0 ;
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try {
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if (var == 50){
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num = num + 50 ;
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Thread.sleep(3000);
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} else {
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num = num + var ;
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}
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System.out.println("var="+var+";num="+num);
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} catch (Exception e){
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e.printStackTrace();
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}
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}
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}

‎java-se-base-parent/model-multy-thread/src/main/java/com/multy/thread/block03access/AccessVar02.java

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package com.multy.thread.block03access;
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public class AccessVar02 {
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public static void main(String[] args) {
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Var02Test var02Test = new Var02Test ();
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VarThread02A varThread02A = new VarThread02A(var02Test) ;
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varThread02A.start();
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VarThread02B varThread02B = new VarThread02B(var02Test) ;
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varThread02B.start();
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var02Test.readValue();
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}
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}
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class VarThread02A extends Thread {
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Var02Test var02Test = new Var02Test ();
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public VarThread02A (Var02Test var02Test){
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this.var02Test = var02Test ;
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}
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@Override
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public void run() {
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var02Test.change("my","name");
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}
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}
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class VarThread02B extends Thread {
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Var02Test var02Test = new Var02Test ();
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public VarThread02B (Var02Test var02Test){
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this.var02Test = var02Test ;
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}
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@Override
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public void run() {
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var02Test.change("you","age");
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}
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}
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class Var02Test {
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public String key = "cicada" ;
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public String value = "smile" ;
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public synchronized void change (String key,String value){
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try {
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this.key = key ;
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Thread.sleep(2000);
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this.value = value ;
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System.out.println("key="+key+";value="+value);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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public synchronized void readValue (){
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System.out.println("读取：key="+key+";value="+value);
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}
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}

‎java-se-base-parent/model-multy-thread/src/main/java/com/multy/thread/block03access/AccessVar03.java

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package com.multy.thread.block03access;
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public class AccessVar03 {
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public static void main(String[] args) {
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Var03Test var03Test1 = new Var03Test() ;
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Thread thread1 = new Thread(var03Test1) ;
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thread1.start();
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Thread thread2 = new Thread(var03Test1) ;
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thread2.start();
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Thread thread3 = new Thread(var03Test1) ;
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thread3.start();
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}
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}
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class Var03Test implements Runnable {
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private Integer count = 0 ;
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public void countAdd() {
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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synchronized(this) {
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count++ ;
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System.out.println("count="+count);
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}
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}
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@Override
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public void run() {
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countAdd() ;
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}
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}

‎java-se-base-parent/model-multy-thread/src/main/java/com/multy/thread/block03access/AccessVar04.java

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package com.multy.thread.block03access;
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public class AccessVar04 {
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public static void main(String[] args) {
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Var04Test var04Test1 = new Var04Test() ;
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Thread thread1 = new Thread(var04Test1) ;
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thread1.start();
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Var04Test var04Test2 = new Var04Test() ;
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Thread thread2 = new Thread(var04Test2) ;
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thread2.start();
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}
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}
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class Var04Test implements Runnable {
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private static Integer count ;
15+
public Var04Test (){
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count = 0 ;
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}
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public synchronized static void countAdd() {
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System.out.println(Thread.currentThread().getName()+"；count="+(count++));
20+
}
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@Override
22+
public void run() {
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countAdd() ;
24+
}
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}

‎java-se-base-parent/model-multy-thread/src/main/java/com/multy/thread/block03access/AccessVar05.java

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package com.multy.thread.block03access;
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public class AccessVar05 {
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}
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class Var05Test {
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private volatile boolean myFlag = true ;
7+
public void setFlag (boolean myFlag){
8+
this.myFlag = myFlag ;
9+
}
10+
public void method() {
11+
while (myFlag){
12+
try {
13+
System.out.println(Thread.currentThread().getName()+myFlag);
14+
Thread.sleep(1000);
15+
} catch (InterruptedException e) {
16+
e.printStackTrace();
17+
}
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}
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}
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}

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