添加chapter3

chenwj1103 · chenwj1103 · commit 4f398ad4b681 · 2018-04-23T23:29:13.000+08:00
diff --git a/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/MyList.java b/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/MyList.java
@@ -0,0 +1,24 @@
+package com.chen.api.util.thread.study.chapter3.twoThreadTransData;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author chen weijie
+ * @date 2018-04-23 12:13 AM
+ */
+public class MyList {
+
+
+    private List list = new ArrayList();
+
+    public void add() {
+        list.add("高");
+    }
+
+    public int size() {
+
+        return list.size();
+    }
+
+}
diff --git a/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/Test.java b/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/Test.java
@@ -0,0 +1,26 @@
+package com.chen.api.util.thread.study.chapter3.twoThreadTransData;
+
+/**
+ * 虽然两个线程间实现了通信,但是b线程一直在while循环检测一个条件,此时会浪费cpu资源.
+ *
+ * @author chen weijie
+ * @date 2018-04-23 12:19 AM
+ */
+public class Test {
+
+    public static void main(String[] args) {
+
+        MyList list = new MyList();
+
+        ThreadA threadA = new ThreadA(list);
+        threadA.setName("a");
+        threadA.start();
+
+        ThreadB threadB = new ThreadB(list);
+        threadB.setName("b");
+        threadB.start();
+
+    }
+
+
+}
diff --git a/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/ThreadA.java b/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/ThreadA.java
@@ -0,0 +1,30 @@
+package com.chen.api.util.thread.study.chapter3.twoThreadTransData;
+
+/**
+ * @author chen weijie
+ * @date 2018-04-23 12:14 AM
+ */
+public class ThreadA extends Thread {
+
+
+    private MyList list;
+
+    public ThreadA(MyList list) {
+        super();
+        this.list = list;
+    }
+
+    @Override
+    public void run() {
+        for (int i = 0; i < 100; i++) {
+            list.add();
+            System.out.println("list 添加了" + (i + 1) + "个元素");
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+}
diff --git a/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/ThreadB.java b/src/main/java/com/chen/api/util/thread/study/chapter3/twoThreadTransData/ThreadB.java
@@ -0,0 +1,29 @@
+package com.chen.api.util.thread.study.chapter3.twoThreadTransData;
+
+/**
+ *
+ *
+ * @author chen weijie
+ * @date 2018-04-23 12:17 AM
+ */
+public class ThreadB extends Thread {
+
+    private MyList list;
+
+    public ThreadB(MyList list) {
+        super();
+        this.list = list;
+    }
+
+    @Override
+    public void run() {
+        while (true) {
+            System.out.println("b线程running.....");
+            if (list.size() == 5) {
+                System.out.println("==5了,线程b要退出了.");
+                throw new RuntimeException();
+            }
+        }
+    }
+
+}
