diff --git a/Java高级特性 - 多线程练习题.txt b/Java高级特性 - 多线程练习题.txt
new file mode 100644
index 0000000..c38bef4
--- /dev/null
+++ b/Java高级特性 - 多线程练习题.txt	
@@ -0,0 +1,64 @@
+package step1;
+
+public class Task {
+	public static void main(String[] args) throws Exception {
+		/********* Begin *********/
+		// 在这里创建线程， 开启线程
+
+		Object a = new Object();
+		Object b = new Object();
+		Object c = new Object();
+		// 在这里创建线程， 开启线程
+		MyThread th1 = new MyThread("AA", a, c);
+		MyThread th2 = new MyThread("BB", c, b);
+		MyThread th3 = new MyThread("CC", b, a);
+
+		th1.start();
+		Thread.sleep(10);
+		th2.start();
+		Thread.sleep(10);
+		th3.start();
+		Thread.sleep(10);
+		System.exit(0);
+
+		/********* End *********/
+	}
+}
+
+class MyThread extends Thread {
+	/********* Begin *********/
+
+	String threadName;
+	Object a = null;
+	Object b = null;
+
+	public MyThread(String threadName, Object a, Object b) {
+		super();
+		this.threadName = threadName;
+		this.a = a;
+		this.b = b;
+	}
+
+	public synchronized void run() {
+
+		int count = 5;
+		while (count > 0) {
+			synchronized (a) {
+				synchronized (b) {
+					System.out.println("Java Thread" + this.threadName);
+					count--;
+					b.notify();
+
+				}
+				try {
+					a.wait();
+				} catch (InterruptedException e) {
+					// TODO 自动生成的 catch 块
+					e.printStackTrace();
+				}
+			}
+		}
+
+	}
+	/********* End *********/
+}