JAVA 知识体系

Author: randian666

README.md

@@ -1,10 +1,10 @@
-![enter image description here](https://drscdn.500px.org/photo/286065929/q=80_m=2000/v2?user_id=20361103&webp=true&sig=5246d3ececc0976199a64920c236729da09957c8ad23afa513084c27681961e4)
-
 | 🍏 | 🍎 | 🍐 | 🍈 | 🥑  | 🥔| 🍠 | 🥝 | 🍱 | 🥞 |🌽| 🥦  
 | :--------: | :---------: | :---------: | :---------: | :---------: | :---------:| :---------: | :-------: | :-------:| :------:|:------:| :--------: |  
 | [JAVA基础](#JAVA基础) | [JVM知识](#JVM知识)|[开源框架知识](#开源框架知识) | [操作系统知识](#操作系统) |[多线程与并发](#多线程与并发)|[TCP与HTTP](#TCP与HTTP)| [架构设计与分布式](#架构设计与分布式) |[数据结构与算法](#数据结构与算法)|[数据库](#数据库知识)| [消息队列](#消息队列)|[缓存](#缓存) | [搜索](#搜索)
 ### 求职、技术交流微信群
 <img src="https://github.com/randian666/algorithm-study/blob/master/image/871550714055_.pic_hd.jpg" width="250" height="280"/>
+### Java并发编程实战
+<img src="https://github.com/randian666/algorithm-study/blob/master/image/WechatIMG105.jpeg"/>
 
 ### JAVA基础
  - [String，Stringbuffer，StringBuilder的区](http://www.cnblogs.com/su-feng/p/6659064.html)。

image/WechatIMG105.jpeg

@@ -20,6 +20,12 @@
             <artifactId>cglib</artifactId>
             <version>2.2.2</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.zookeeper/zookeeper -->
+        <dependency>
+            <groupId>org.apache.zookeeper</groupId>
+            <artifactId>zookeeper</artifactId>
+            <version>3.4.6</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

pom.xml

@@ -0,0 +1,15 @@
+package com.algorithm.study.demo;
+
+/**
+ * @Author: liuxun
+ * @CreateDate: 2019/2/23 下午3:20
+ * @Version: 1.0
+ */
+public abstract class AbstractLoadBalance {
+    public String select(String name){
+        String newName="hello "+name;
+        doSelect(newName);
+        return newName;
+    }
+    protected abstract String doSelect(String name);
+}

src/main/java/com/algorithm/study/demo/AbstractLoadBalance.java

@@ -11,20 +11,22 @@
  */
 public class MainTest {
     public static void main(String[] args) {
-        Object counter = new Object();
-        ReferenceQueue refQueue = new ReferenceQueue<>();
-        PhantomReference<Object> p = new PhantomReference<>(counter, refQueue);
-        counter = null;
-        System.gc();
-        try {
-            // Remove 是一个阻塞方法，可以指定 timeout，或者选择一直阻塞
-            Reference<Object> ref = refQueue.remove(1000L);
-            if (ref != null) {
-                System.out.println("counter gc");
-            }
-        } catch (InterruptedException e) {
-            // Handle it
-        }
-
+//        Object counter = new Object();
+//        ReferenceQueue refQueue = new ReferenceQueue<>();
+//        PhantomReference<Object> p = new PhantomReference<>(counter, refQueue);
+//        counter = null;
+//        System.gc();
+//        try {
+//            // Remove 是一个阻塞方法，可以指定 timeout，或者选择一直阻塞
+//            Reference<Object> ref = refQueue.remove(1000L);
+//            if (ref != null) {
+//                System.out.println("counter gc");
+//            }
+//        } catch (InterruptedException e) {
+//            // Handle it
+//        }
+        AbstractLoadBalance randomLoadBalance=new RandomLoadBalance();
+        String name=randomLoadBalance.select("liuxun");
+        System.out.println(name);
     }
 }

src/main/java/com/algorithm/study/demo/MainTest.java

@@ -0,0 +1,14 @@
+package com.algorithm.study.demo;
+
+/**
+ * @Author: liuxun
+ * @CreateDate: 2019/2/23 下午3:21
+ * @Version: 1.0
+ */
+public class RandomLoadBalance extends  AbstractLoadBalance{
+    @Override
+    protected String doSelect(String name) {
+        System.out.println("doSelect run name is "+ name);
+        return name;
+    }
+}