diff --git a/src/WorkerThread/Channel.java b/src/WorkerThread/Channel.java
new file mode 100644
index 0000000..e88b910
--- /dev/null
+++ b/src/WorkerThread/Channel.java
@@ -0,0 +1,60 @@
+package WorkerThread;
+
+public class Channel {
+	private static final int MAX_REQUEST = 100;
+	private final Request[] requestQueue;
+	private int tail;
+	private int head;
+	private int count;
+	
+	private final WorkerThread[] threadPool;
+	
+	public Channel(int threads) {
+		this.requestQueue = new Request[MAX_REQUEST];
+		this.head = 0;
+		this.tail = 0;
+		this.count = 0;
+		
+		threadPool = new WorkerThread[threads];
+		
+		for(int i=0;i<threadPool.length;i++) {
+			threadPool[i] = new WorkerThread("Worker-"+i,this);;
+		}
+	}
+	
+	public void startWorkers() {
+		for(int i = 0;i<threadPool.length;i++) {
+			threadPool[i].start();
+		}
+	}
+	
+	public synchronized void putRequest(Request request) {
+		while(count >= requestQueue.length) {
+			try {
+				wait();
+			}catch(InterruptedException e) {
+				
+			}
+		}
+		requestQueue[tail] = request;
+		tail = (++tail)%requestQueue.length;
+		count++;
+		this.notifyAll();
+	}
+	
+	public synchronized Request takeRequest() {
+		while(count <= 0) {
+			try {
+				wait();
+			}catch(InterruptedException e) {
+				
+			}
+		}
+		Request request = requestQueue[head];
+		head = (++head)%requestQueue.length;
+		count--;
+		this.notifyAll();
+		return request;
+		
+	}
+}
diff --git a/src/WorkerThread/ClientThread.java b/src/WorkerThread/ClientThread.java
new file mode 100644
index 0000000..721a6eb
--- /dev/null
+++ b/src/WorkerThread/ClientThread.java
@@ -0,0 +1,23 @@
+package WorkerThread;
+
+import java.util.Random;
+
+public class ClientThread extends Thread {
+	private final Channel channel;
+	private static final Random random = new Random();
+	public ClientThread(String name,Channel channel) {
+		super(name);
+		this.channel = channel;
+	}
+	public void run() {
+		try {
+			for(int i = 0;true;i++) {
+				Request request = new Request(getName(),i);
+				channel.putRequest(request);
+				Thread.sleep(random.nextInt(1000));
+			}
+		}catch(InterruptedException e) {
+			
+		}
+	}
+}
diff --git a/src/WorkerThread/Main.java b/src/WorkerThread/Main.java
new file mode 100644
index 0000000..0caa1e5
--- /dev/null
+++ b/src/WorkerThread/Main.java
@@ -0,0 +1,13 @@
+package WorkerThread;
+
+public class Main {
+
+	public static void main(String[] args) {
+		Channel channel = new Channel(5);
+		channel.startWorkers();
+		new ClientThread("³ÂÄ˾²",channel).start();
+		new ClientThread("ÅëÖó",channel).start();
+		new ClientThread("ÅôÖí^(*£þ(oo)£þ)^",channel).start();
+	}
+
+}
diff --git a/src/WorkerThread/Request.java b/src/WorkerThread/Request.java
new file mode 100644
index 0000000..3c23d14
--- /dev/null
+++ b/src/WorkerThread/Request.java
@@ -0,0 +1,26 @@
+package WorkerThread;
+
+import java.util.Random;
+
+public class Request {
+	private final String name;
+	private final int number;
+	private static final Random random = new Random();
+	public Request(String name,int number) {
+		this.name = name;
+		this.number = number;
+	}
+	
+	public void execute() {
+		System.out.println(Thread.currentThread().getName()+"executes"+this);
+		try {
+			Thread.sleep(random.nextInt(1000));
+		}catch(InterruptedException e) {
+			
+		}
+	}
+	
+	public String toString() {
+		return "[ Request from "+name+" No."+number+"]";
+	}
+}
diff --git a/src/WorkerThread/WorkerThread.java b/src/WorkerThread/WorkerThread.java
new file mode 100644
index 0000000..bbdba0a
--- /dev/null
+++ b/src/WorkerThread/WorkerThread.java
@@ -0,0 +1,15 @@
+package WorkerThread;
+
+public class WorkerThread extends Thread {
+	private final Channel channel;
+	public WorkerThread(String name,Channel channel) {
+		super(name);
+		this.channel = channel;
+	}
+	public void run() {
+		while(true) {
+			Request request = channel.takeRequest();
+			request.execute();
+		}
+	}
+}
diff --git a/src/btp/oneP/ABtpTest.java b/src/btp/oneP/ABtpTest.java
index ce51024..569f13c 100644
--- a/src/btp/oneP/ABtpTest.java
+++ b/src/btp/oneP/ABtpTest.java
@@ -12,7 +12,6 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.locks.AbstractQueuedSynchronizer;
 import java.util.concurrent.locks.ReentrantLock;
-import java.util.zip.DeflaterOutputStream;
 
 public class ABtpTest {
 
diff --git a/src/btp/oneP/DeepClone.java b/src/btp/oneP/DeepClone.java
new file mode 100644
index 0000000..709c136
--- /dev/null
+++ b/src/btp/oneP/DeepClone.java
@@ -0,0 +1,60 @@
+package btp.oneP;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+public class DeepClone implements Serializable,Cloneable{
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	
+	private String name;
+	private DeepClone son;
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	public DeepClone getSon() {
+		return son;
+	}
+	public void setSon(DeepClone son) {
+		this.son = son;
+	}
+
+	public DeepClone(String name) {
+		super();
+		this.name = name;
+	}
+	public DeepClone deepClone() throws IOException, ClassNotFoundException {
+		ByteArrayOutputStream bos = new ByteArrayOutputStream();
+		ObjectOutputStream oos = new ObjectOutputStream(bos);
+		oos.writeObject(this);
+		ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
+		ObjectInputStream ois = new ObjectInputStream(bis);
+		return (DeepClone)ois.readObject();
+	}
+	
+	@Override
+	public String toString() {
+		return "DeepClone [name=" + name + ", son=" + son + "]";
+	}
+	public static void main(String[] args) throws ClassNotFoundException, IOException, CloneNotSupportedException {
+		DeepClone f = new DeepClone("father");
+		f.setSon(new DeepClone("son"));
+		DeepClone clone = f.deepClone();
+		System.out.println("É±´£º"+clone);
+		System.out.println(clone.getSon() == f.getSon());
+		DeepClone ff = (DeepClone)f.clone();
+		System.out.println("dz¿½±´£º"+ff);
+		System.out.println(ff.getSon() == f.getSon());
+	}
+
+}
diff --git a/src/btp/oneP/DynamicalProxy.java b/src/btp/oneP/DynamicalProxy.java
new file mode 100644
index 0000000..4c85194
--- /dev/null
+++ b/src/btp/oneP/DynamicalProxy.java
@@ -0,0 +1,40 @@
+package btp.oneP;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+public class DynamicalProxy {
+
+	public static void main(String[] args) {
+		Fly fly = (Fly)Proxy.newProxyInstance(RealFly.class.getClassLoader(), new Class[] {Fly.class}, new ProxyImpl(new RealFly()));
+		fly.fly();
+	}
+
+	
+	interface Fly{
+		void fly();
+	}
+	static class RealFly implements Fly{
+
+		@Override
+		public void fly() {
+			System.out.println("flying...");
+		}
+		
+	}
+	static class ProxyImpl implements InvocationHandler{
+		Fly fly;
+		public ProxyImpl(Fly fly){
+			this.fly = fly;
+		}
+		@Override
+		public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+			System.out.println("before");
+			method.invoke(fly, args);
+			System.out.println("after");
+			return null;
+		}
+		
+	}
+}
diff --git a/src/btp/oneP/HashMapTest.java b/src/btp/oneP/HashMapTest.java
new file mode 100644
index 0000000..daba96d
--- /dev/null
+++ b/src/btp/oneP/HashMapTest.java
@@ -0,0 +1,23 @@
+package btp.oneP;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+public class HashMapTest {
+
+	public static void main(String[] args) {
+		LinkedHashMap<Integer,String> hashMap = new LinkedHashMap<>();
+		hashMap.put(5, "e");
+		hashMap.put(1, "a");
+		hashMap.put(2, "b");
+		hashMap.put(3, "c");
+		hashMap.put(4, "d");
+		
+		for(Entry<Integer, String> entry:hashMap.entrySet()) {
+			System.out.println(entry.getKey()+":"+entry.getValue());
+		}
+	}
+
+}
diff --git a/src/btp/oneP/LRU.java b/src/btp/oneP/LRU.java
new file mode 100644
index 0000000..e23309a
--- /dev/null
+++ b/src/btp/oneP/LRU.java
@@ -0,0 +1,20 @@
+package btp.oneP;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.concurrent.locks.AbstractQueuedSynchronizer;
+
+public class LRU<K,V> extends LinkedHashMap<K, V> implements Map<K,V>{
+	public LRU(int initialCapacity,float loadFactor,boolean accessOrder) {
+       super(initialCapacity, loadFactor, accessOrder);
+	}
+	
+	public static void main(String[] args) {
+		AbstractQueuedSynchronizer aqs = null;
+	}
+
+}
+
+abstract class KHGKJ{
+	abstract void f();
+}
\ No newline at end of file
diff --git a/src/btp/oneP/TestSync2.java b/src/btp/oneP/TestSync2.java
new file mode 100644
index 0000000..1ed45cd
--- /dev/null
+++ b/src/btp/oneP/TestSync2.java
@@ -0,0 +1,38 @@
+package btp.oneP;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.NavigableMap;
+
+public class TestSync2 implements Runnable{
+	int b = 100;
+	
+	synchronized void m1() throws InterruptedException{
+		b = 1000;
+		Thread.sleep(500);
+		System.out.println("b="+b);
+	}
+	synchronized void m2() throws InterruptedException{
+		Thread.sleep(250);
+		b = 2000;
+	}
+	
+	public static void main(String[] args) throws InterruptedException{
+		TestSync2 tt = new TestSync2();
+		Thread t = new Thread(tt);
+		t.start();
+		tt.m2();
+		System.out.println("main thread b="+tt.b);
+		HashMap<String,Object> hm = new HashMap<>();
+	}
+
+	@Override
+	public void run() {
+		try {
+			m1();
+		}catch(InterruptedException e) {
+			e.printStackTrace();
+		}
+	}
+
+}