diff --git a/javaSE-day05/src/com/inmind/thread07/MyThread.java b/javaSE-day05/src/com/inmind/thread07/MyThread.java
new file mode 100644
index 0000000..3bf2383
--- /dev/null
+++ b/javaSE-day05/src/com/inmind/thread07/MyThread.java
@@ -0,0 +1,16 @@
+package com.inmind.thread07;
+
+public class MyThread extends Thread{
+
+    //默认无参构造方法
+    /*public MyThread(){
+        super();
+    }*/
+
+    @Override
+    public void run() {//重写的run方法的作用：当前线程要执行的任务
+        for (int i = 0; i < 1000; i++) {
+            System.out.println("hello pyhton");
+        }
+    }
+}
diff --git a/javaSE-day05/src/com/inmind/thread07/ThreadDemo02.java b/javaSE-day05/src/com/inmind/thread07/ThreadDemo02.java
new file mode 100644
index 0000000..d8fb2ea
--- /dev/null
+++ b/javaSE-day05/src/com/inmind/thread07/ThreadDemo02.java
@@ -0,0 +1,23 @@
+package com.inmind.thread07;
+/*
+    在java中使用一个类Thread来表示一个线程.
+
+    启动多线程的方式一:
+    1.定义一个子类继承Thread
+    2.重写run方法
+    3.创建子类对象,调用start方法启动
+ */
+public class ThreadDemo02 {
+    public static void main(String[] args) {
+        //开启一个新的线程执行
+        MyThread myThread = new MyThread();
+//        myThread.run();//不能直接调用run方法，否则不启动多线程
+        //注意：start方法的作用是，真的启动线程，启动起来的新线程的任务是执行该线程类的run方法
+        myThread.start();
+
+        for (int i = 0; i < 1000; i++) {
+            System.out.println("hello java");
+        }
+        System.out.println("程序结束");
+    }
+}