diff --git a/group10/3314793852/.classpath b/group10/3314793852/.classpath
index fb5011632c..3e0fb272a8 100644
--- a/group10/3314793852/.classpath
+++ b/group10/3314793852/.classpath
@@ -2,5 +2,6 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/group10/3314793852/WEB-INF/web.xml b/group10/3314793852/WEB-INF/web.xml
new file mode 100644
index 0000000000..d8528f16ec
--- /dev/null
+++ b/group10/3314793852/WEB-INF/web.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
+   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
+   version="2.5">
+
+  <display-name>Welcome to Tomcat</display-name>
+  <description>
+     Welcome to Tomcat
+  </description>
+
+</web-app>
diff --git a/group10/3314793852/moon.png b/group10/3314793852/moon.png
new file mode 100644
index 0000000000..8ab4f88836
Binary files /dev/null and b/group10/3314793852/moon.png differ
diff --git a/group10/3314793852/second/.classpath b/group10/3314793852/second/.classpath
deleted file mode 100644
index 373dce4005..0000000000
--- a/group10/3314793852/second/.classpath
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>
diff --git a/group10/3314793852/second/.gitignore b/group10/3314793852/second/.gitignore
deleted file mode 100644
index ae3c172604..0000000000
--- a/group10/3314793852/second/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/bin/
diff --git a/group10/3314793852/second/.project b/group10/3314793852/second/.project
deleted file mode 100644
index fab8d7f04c..0000000000
--- a/group10/3314793852/second/.project
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>2017Learning</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-	</natures>
-</projectDescription>
diff --git a/group10/3314793852/second/.settings/org.eclipse.core.resources.prefs b/group10/3314793852/second/.settings/org.eclipse.core.resources.prefs
deleted file mode 100644
index 5855257b83..0000000000
--- a/group10/3314793852/second/.settings/org.eclipse.core.resources.prefs
+++ /dev/null
@@ -1,4 +0,0 @@
-eclipse.preferences.version=1
-encoding//src/com/coderising/litestruts=UTF-8
-encoding//src/com/coderising/litestruts/Struts.java=UTF-8
-encoding/<project>=UTF-8
diff --git a/group10/3314793852/second/.settings/org.eclipse.jdt.core.prefs b/group10/3314793852/second/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3a21537071..0000000000
--- a/group10/3314793852/second/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,11 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.8
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.debug.sourceFile=generate
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.8
diff --git a/group10/3314793852/second/src/com/coderising/array/ArrayUtil.java b/group10/3314793852/src/com/coderising/array/ArrayUtil.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/array/ArrayUtil.java
rename to group10/3314793852/src/com/coderising/array/ArrayUtil.java
diff --git a/group10/3314793852/second/src/com/coderising/array/Test.java b/group10/3314793852/src/com/coderising/array/Test.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/array/Test.java
rename to group10/3314793852/src/com/coderising/array/Test.java
diff --git a/group10/3314793852/src/com/coderising/download/DownloadThread.java b/group10/3314793852/src/com/coderising/download/DownloadThread.java
new file mode 100644
index 0000000000..4a9f1d30ba
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/DownloadThread.java
@@ -0,0 +1,50 @@
+	/*
+	 *  打开输入流下载，对应分配的资源。
+	 */
+	package com.coderising.download;
+	
+	import java.io.IOException;
+	import java.io.RandomAccessFile;
+	
+	import com.coderising.download.api.Connection;
+	
+	public class DownloadThread extends Thread{
+	
+		Connection conn;				//用来打开下载资源的对用的输入流。
+		RandomAccessFile currentPart;	//当前线程下载到本地的位置
+		int startPos;					//下载起始位置。
+		int endPos;						//下载结束位置。
+		int hasRead=0;					//已经下载的长度。
+		
+		//构造器。
+		public DownloadThread( Connection conn, int startPos, int endPos,RandomAccessFile currentPart){
+			
+			this.conn = conn;	
+			this.currentPart=currentPart;
+			this.startPos = startPos;
+			this.endPos = endPos;
+		}
+		
+		
+		/*在该方法中要将数据从byte数组写入到文件中.
+		 * 要先把数据写入byte数组中，再从数组中把数据写入文件中。
+		 */
+		public void run(){	
+			
+			try {
+				synchronized(this){
+					byte[] buff=new byte[endPos-startPos+1];
+					buff=conn.read(startPos, endPos);
+					//将字节数组中的数据读入指定文件中。
+					for(int i=0;i<buff.length;i++){
+						currentPart.write(buff[i]);
+						hasRead++;
+					}
+					//System.out.println("Over");
+					currentPart.close();
+				}
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		}
+	}
diff --git a/group10/3314793852/src/com/coderising/download/FileDownloader.java b/group10/3314793852/src/com/coderising/download/FileDownloader.java
new file mode 100644
index 0000000000..9bdecf4bd1
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/FileDownloader.java
@@ -0,0 +1,116 @@
+	
+	package com.coderising.download;
+	
+	import java.io.RandomAccessFile;
+
+	import com.coderising.download.api.Connection;
+	import com.coderising.download.api.ConnectionException;
+	import com.coderising.download.api.ConnectionManager;
+	import com.coderising.download.api.DownloadListener;
+	import com.coderising.download.impl.DownloadListenerImpl;
+	
+	
+	public class FileDownloader {
+		
+		String url;						//URL地址
+		DownloadListener listener;		//下载完成通知
+		ConnectionManager cm;			//打开URL链接
+		String targetFile="E:/moon.png";				//指定所下载文件的保存位置
+	
+		public FileDownloader(String _url) {
+			this.url = _url;
+		}
+		
+		public void execute(){
+			// 在这里实现你的代码， 注意： 需要用多线程实现下载
+			// 这个类依赖于其他几个接口, 你需要写这几个接口的实现代码
+			// (1) ConnectionManager , 可以打开一个连接，通过Connection可以读取其中的一段（用startPos, endPos来指定）
+			// (2) DownloadListener, 由于是多线程下载， 调用这个类的客户端不知道什么时候结束，所以你需要实现当所有
+			//     线程都执行完以后， 调用DownloadListener的notifiedFinished方法， 这样客户端就能收到通知。
+			// 具体的实现思路：
+			// 1. 需要调用ConnectionManager的open方法打开连接， 然后通过Connection.getContentLength方法获得文件的长度
+			// 2. 至少启动3个线程下载，  注意每个线程需要先调用ConnectionManager的open方法
+			// 然后调用read方法， read方法中有读取文件的开始位置和结束位置的参数， 返回值是byte[]数组
+			// 3. 把byte数组写入到文件中
+			// 4. 所有的线程都下载完成以后， 需要调用listener的notifiedFinished方法
+			
+			// 下面的代码是示例代码， 也就是说只有一个线程， 你需要改造成多线程的。
+			Connection conn = null;
+			try {
+				
+				conn = cm.open(this.url);						//ConnectionManager的对象的open方法返回一个Connection对象
+				int length = conn.getContentLength();			//获得文件的总长度。
+				//System.out.println(length);
+				//创建一个文件，用来保存下载的资源。
+				RandomAccessFile file = new RandomAccessFile(targetFile, "rw");
+				//设置本地文件的大小。
+				file.setLength(length);
+				
+				file.close();
+				
+				
+				int numberOfThread=4;							//线程的个数，自定义，当前定为4.
+				
+				int eachLength=length/4+1;						//每个线程的下载的长度。
+				RandomAccessFile[] currentPart=new RandomAccessFile[4];
+				DownloadThread[] thread=new DownloadThread[4];
+				for(int i=0;i<numberOfThread-1;i++){				//确定子线程的开始和结尾点，并启动子线程。
+					currentPart[i]= new RandomAccessFile(targetFile, "rw");
+					currentPart[i].seek(0+eachLength*i);
+					thread[i]=new DownloadThread(conn,0+eachLength*i,eachLength+eachLength*i-1,currentPart[i]);
+					thread[i].start();	//启动线程。
+					//System.out.println(i);
+				}
+				currentPart[3]= new RandomAccessFile(targetFile, "rw");
+				currentPart[3].seek(eachLength*3);
+				thread[3]=new DownloadThread(conn,eachLength*3,length-1,currentPart[3]);
+				thread[3].start();		//最后一个线程
+				
+				//统计多条线程已经下载的总大小。
+				
+				
+				
+				int sumSize=0;
+				//检测是否下载完毕
+				while(true){
+					
+					for(int j=0;j<numberOfThread;j++){
+						sumSize+=thread[j].hasRead;
+					}
+					//System.out.println("sumSize"+sumSize);
+					if(sumSize==length){
+						listener.notifyFinished();
+						//System.out.println("完成");
+						System.out.println("下载完成！");
+						break;
+					}
+					sumSize=0;
+//					Thread.sleep(10000);
+				}
+				
+			} catch (Exception e) {			
+				e.printStackTrace();
+			}finally{
+//				if(conn != null){
+//					conn.close();
+//				}
+			}
+		}
+		
+		
+		
+		public void setListener(DownloadListener listener) {
+			this.listener = listener;
+		}
+	
+		
+		
+		public void setConnectionManager(ConnectionManager ucm){
+			this.cm = ucm;
+		}
+		
+		public DownloadListener getListener(){
+			return this.listener;
+		}
+		
+	}
diff --git a/group10/3314793852/src/com/coderising/download/FileDownloaderTest.java b/group10/3314793852/src/com/coderising/download/FileDownloaderTest.java
new file mode 100644
index 0000000000..e8fd65ff51
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/FileDownloaderTest.java
@@ -0,0 +1,80 @@
+	
+	package com.coderising.download;
+	
+	import org.junit.After;
+	import org.junit.Before;
+	import org.junit.Test;
+	
+	import com.coderising.download.api.ConnectionManager;
+	import com.coderising.download.api.DownloadListener;
+	import com.coderising.download.impl.ConnectionManagerImpl;
+	import com.coderising.download.impl.DownloadListenerImpl;
+	
+	public class FileDownloaderTest {
+		boolean downloadFinished = false;
+		@Before
+		public void setUp() throws Exception {
+		}
+	
+		@After
+		public void tearDown() throws Exception {
+		}
+	
+		@Test
+		public void testDownload() {
+			
+			String url = "http://localhost:8080/demo/moon.png";
+			
+			FileDownloader downloader = new FileDownloader(url);
+	
+		
+			ConnectionManager cm = new ConnectionManagerImpl();
+			downloader.setConnectionManager(cm);
+			
+			
+			downloader.setListener(new DownloadListener() {
+				@Override
+				public void notifyFinished() {
+					downloadFinished = true;
+				}
+	
+			});
+	
+			 new Thread(new Runnable() {
+		            @Override
+		            public void run() {
+		                while(!downloadFinished){
+		                    System.out.println("还没有下载完成，休眠五秒");
+		                    try {
+		                        Thread.sleep(5000);
+		                    } catch (InterruptedException e) {
+		                        e.printStackTrace();
+		                    }
+		                }
+		               System.out.println("下载完成！");
+		            }
+		        }).start();
+			
+			downloader.execute();
+		
+			
+			
+			
+			// 等待多线程下载程序执行完毕
+			
+//				while (!downloadFinished) {
+//					try {
+//						System.out.println("还没有下载完成，休眠五秒");
+//						//休眠5秒
+//						Thread.sleep(5000);
+//					} catch (InterruptedException e) {				
+//						e.printStackTrace();
+//					}
+//				}
+//				System.out.println("下载完成！");
+			
+			
+	
+		}
+	
+	}
diff --git a/group10/3314793852/src/com/coderising/download/api/Connection.java b/group10/3314793852/src/com/coderising/download/api/Connection.java
new file mode 100644
index 0000000000..67479af06e
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/api/Connection.java
@@ -0,0 +1,25 @@
+package com.coderising.download.api;
+
+import java.io.IOException;
+
+public interface Connection {
+	/**
+	 * 给定开始和结束位置， 读取数据， 返回值是字节数组
+	 * @param startPos 开始位置， 从0开始
+	 * @param endPos 结束位置
+	 * @return
+	 */
+	
+	
+	public byte[] read(int startPos,int endPos) throws IOException;
+	/**
+	 * 得到数据内容的长度
+	 * @return
+	 */
+	public int getContentLength();
+	
+	/**
+	 * 关闭连接
+	 */
+	public void close();
+}
diff --git a/group10/3314793852/src/com/coderising/download/api/ConnectionException.java b/group10/3314793852/src/com/coderising/download/api/ConnectionException.java
new file mode 100644
index 0000000000..1551a80b3d
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/api/ConnectionException.java
@@ -0,0 +1,5 @@
+package com.coderising.download.api;
+
+public class ConnectionException extends Exception {
+
+}
diff --git a/group10/3314793852/src/com/coderising/download/api/ConnectionManager.java b/group10/3314793852/src/com/coderising/download/api/ConnectionManager.java
new file mode 100644
index 0000000000..ce045393b1
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/api/ConnectionManager.java
@@ -0,0 +1,10 @@
+package com.coderising.download.api;
+
+public interface ConnectionManager {
+	/**
+	 * 给定一个url , 打开一个连接
+	 * @param url
+	 * @return
+	 */
+	public Connection open(String url) throws ConnectionException;	
+}
diff --git a/group10/3314793852/src/com/coderising/download/api/DownloadListener.java b/group10/3314793852/src/com/coderising/download/api/DownloadListener.java
new file mode 100644
index 0000000000..bf9807b307
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/api/DownloadListener.java
@@ -0,0 +1,5 @@
+package com.coderising.download.api;
+
+public interface DownloadListener {
+	public void notifyFinished();
+}
diff --git a/group10/3314793852/src/com/coderising/download/impl/ConnectionImpl.java b/group10/3314793852/src/com/coderising/download/impl/ConnectionImpl.java
new file mode 100644
index 0000000000..48b46db8ec
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/impl/ConnectionImpl.java
@@ -0,0 +1,54 @@
+	
+	package com.coderising.download.impl;
+	
+	import java.io.IOException;
+	import java.io.InputStream;
+	import java.net.URLConnection;
+
+	import com.coderising.download.api.Connection;
+	
+	
+	public class ConnectionImpl implements Connection{
+		
+		URLConnection urlCon=null;	//URLConnection对象用于连接网络资源。
+		
+		//构造方法，参数为URLConnection的对象。
+		public ConnectionImpl(URLConnection urlCon){
+			this.urlCon=urlCon;
+		}
+		
+		//该方法读取网络资源的数据，并将数据已byte[]数组的形式缓存，并返回。
+		@Override
+		public byte[] read(int startPos, int endPos) throws IOException {
+			
+			int currentLength=endPos-startPos+1;		//当前线程的要下载的数据的长度。
+			byte[] buf=new byte[currentLength];	//输入流缓存数组buff.
+			InputStream iS=urlCon.getInputStream();	//将网络资源已输入流形式开始读入。
+			
+			iS.skip(startPos);						//定位到当前线程的下载开始位置。
+			
+			for(int i=0;i<currentLength;i++){		//开始将数据读从当前位置开始入byte[] buff数组
+				buf[i]=(byte) iS.read();
+			}
+			
+//			if(iS!=null){							//读入操作结束，关闭输入流。
+//				iS.close();
+//			}
+			
+			
+			return buf;							//返回读取的数组。
+		}
+		
+		//获得当前网络资源的数据长度。
+		@Override
+		public int getContentLength() {
+			return urlCon.getContentLength();
+		}
+		
+		//当前资源接口关闭。
+		@Override
+		public void close() {
+			urlCon=null;
+		}
+	
+	}
diff --git a/group10/3314793852/src/com/coderising/download/impl/ConnectionManagerImpl.java b/group10/3314793852/src/com/coderising/download/impl/ConnectionManagerImpl.java
new file mode 100644
index 0000000000..d1401894d6
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/impl/ConnectionManagerImpl.java
@@ -0,0 +1,37 @@
+	/*
+	 * 该类用于产生URL资源连接ConnectionImpl类的对象。
+	 */
+	package com.coderising.download.impl;
+	
+	import java.io.IOException;
+	import java.net.MalformedURLException;
+	
+	import java.net.URL;				//URL网络资源连接类。
+	import java.net.URLConnection;
+	
+	import com.coderising.download.api.Connection;
+	import com.coderising.download.api.ConnectionException;
+	import com.coderising.download.api.ConnectionManager;
+
+
+	
+	public class ConnectionManagerImpl implements ConnectionManager {
+		
+		URL aURL=null;
+		URLConnection URLCn=null;
+		Connection cn=null;
+		
+		@Override
+		public Connection open(String url){
+			//打开一个网络资源。
+			try {
+				aURL=new URL(url);
+				URLCn= aURL.openConnection();
+				cn=new ConnectionImpl(URLCn);
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+			return cn;
+		}
+	
+	}
diff --git a/group10/3314793852/src/com/coderising/download/impl/DownloadListenerImpl.java b/group10/3314793852/src/com/coderising/download/impl/DownloadListenerImpl.java
new file mode 100644
index 0000000000..a87786f42c
--- /dev/null
+++ b/group10/3314793852/src/com/coderising/download/impl/DownloadListenerImpl.java
@@ -0,0 +1,14 @@
+	
+	package com.coderising.download.impl;
+	
+	import com.coderising.download.api.DownloadListener;
+	
+	public class DownloadListenerImpl implements DownloadListener {
+		
+		
+		@Override
+		public void notifyFinished() {
+			
+		}
+	
+	}
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/DealWithInfo.java b/group10/3314793852/src/com/coderising/litestruts/DealWithInfo.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/DealWithInfo.java
rename to group10/3314793852/src/com/coderising/litestruts/DealWithInfo.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/LoginAction.java b/group10/3314793852/src/com/coderising/litestruts/LoginAction.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/LoginAction.java
rename to group10/3314793852/src/com/coderising/litestruts/LoginAction.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/SAXGetInfo.java b/group10/3314793852/src/com/coderising/litestruts/SAXGetInfo.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/SAXGetInfo.java
rename to group10/3314793852/src/com/coderising/litestruts/SAXGetInfo.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/Struts.java b/group10/3314793852/src/com/coderising/litestruts/Struts.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/Struts.java
rename to group10/3314793852/src/com/coderising/litestruts/Struts.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/StrutsTest.java b/group10/3314793852/src/com/coderising/litestruts/StrutsTest.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/StrutsTest.java
rename to group10/3314793852/src/com/coderising/litestruts/StrutsTest.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/View.java b/group10/3314793852/src/com/coderising/litestruts/View.java
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/View.java
rename to group10/3314793852/src/com/coderising/litestruts/View.java
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/struts.out.xml b/group10/3314793852/src/com/coderising/litestruts/struts.out.xml
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/struts.out.xml
rename to group10/3314793852/src/com/coderising/litestruts/struts.out.xml
diff --git a/group10/3314793852/second/src/com/coderising/litestruts/struts.xml b/group10/3314793852/src/com/coderising/litestruts/struts.xml
similarity index 100%
rename from group10/3314793852/second/src/com/coderising/litestruts/struts.xml
rename to group10/3314793852/src/com/coderising/litestruts/struts.xml
diff --git a/group10/3314793852/src/myList/MyLinkedList.java b/group10/3314793852/src/myList/MyLinkedList.java
index 0bad8c8953..db3fc9020a 100644
--- a/group10/3314793852/src/myList/MyLinkedList.java
+++ b/group10/3314793852/src/myList/MyLinkedList.java
@@ -80,8 +80,14 @@ public void add(int idx,Object aDate){
 		}
 	
 		//ɾ���ڵ㡣
-		public void remove(int idx){
-			
+		public void remove(int idx) {
+			if(idx<0||idx>size()){
+				try {
+					throw new Exception();
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
 			Node p,q;
 			p=headNode;
 			
@@ -94,6 +100,22 @@ public void remove(int idx){
 			theSize--;
 		}
 		
+		//���ݽDZ�������
+		public int get(int idx){
+			if(idx<1||idx>size()){
+				try {
+					throw new Exception();
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+			Node p=headNode;
+			for(int i=1;i<=idx;i++){
+				p=p.node;
+			}
+			return (int)p.data; 
+		}
+		
 		//��ȡMyIterator�ӿڶ���
 		public MyIterator myIterator(){
 			 
@@ -113,6 +135,217 @@ public void print(){
 				p=p.node;
 			}
 		}
+		
+		/**
+		 * �Ѹ���������
+		 * ��������Ϊ 3->7->10 , ���ú��Ϊ  10->7->3
+		 */
+		public  void reverse(){		
+			Node a,temp;
+			Node c=new Node(null,null);		//����һ���µ�ͷ��㡣
+			
+			
+			a=headNode;
+			temp=c;
+			for(int j=0;j<size();j++){
+				for(int i=1;i<=size()-j;i++){		
+					a=a.node;
+				}
+
+//				for(int m=size()-j;m<size();m++){	
+//					c=c.node;
+//					System.out.println(c.data);
+//				}
+				
+				temp.node=a;
+				temp=temp.node;
+//				System.out.println(temp.data);
+				a=headNode;
+			}
+			
+			a.node=c.node;
+		}
+		
+		/**
+		 * ɾ��һ����������ǰ�벿��
+		 * ���磺list = 2->5->7->8 , ɾ���Ժ��ֵΪ 7->8
+		 * ���list = 2->5->7->8->10 ,ɾ���Ժ��ֵΪ7,8,10
+		 */
+		public  void removeFirstHalf(){
+			Node p;
+			p=headNode;
+			
+			
+			int j=size();
+			for(int i=1;i<=((size()/2)+1);i++){	//�������м�ڵ㴦
+				p=p.node;
+			}
+			
+			
+			headNode.node=p;				//��ͷ����nodeָ���м�ڵ�.
+			theSize=theSize-(j/2);
+		}
+		
+		/**
+		 * �ӵ�i��Ԫ�ؿ�ʼ�� ɾ��length ��Ԫ�� �� ע��i��0��ʼ
+		 * @param i
+		 * @param length
+		 */
+		public  void remove(int i, int length){
+			for(int j=0;j<length;j++){
+				remove(i-1);
+			}
+			
+		}
+		/**
+		 * �ٶ���ǰ������listB���������������е�����
+		 * �ӵ�ǰ������ȡ����ЩlistB��ָ����Ԫ��
+		 * ���統ǰ���� = 11->101->201->301->401->501->601->701
+		 * listB = 1->3->4->6
+		 * ���صĽ��Ӧ����[101,301,401,601]  
+		 * @param list
+		 */
+		public  int[] getElements(MyLinkedList list){
+			int[] arr1=new int[list.size()];		//�����洢���صĽ��
+			int[] arr2=new int[list.size()];		//�����洢list���ϵ��е���
+			
+			Node p,q;
+			p=list.getHeadNode();
+			q=headNode;
+			for(int i=1;i<=list.size();i++){	//����list����
+				p=p.node;
+				arr2[i-1]=(int) p.getDate();	//ȡ�������е��������洢��arr2�С�
+			}
+			
+//			for(int i=0;i<arr2.length;i++){
+//				System.out.println(arr2[i]);
+//			}	//��list��ȡ�����ݡ�
+			
+			for(int i=0;i<arr2.length;i++){	
+				for(int j=1;j<=arr2[i];j++){
+					q=q.node;
+				}
+				arr1[i]=(int) q.data;
+				q=headNode;
+			}
+			
+			return arr1;
+		}
+		
+		/**
+		 * ��֪�����е�Ԫ����ֵ�����������У����Ե��������洢�ṹ��
+		 * �ӵ�ǰ��������ɾ����listB�г��ֵ�Ԫ�� 
+		 * @param list
+		 */
+		
+		public  void subtract(MyLinkedList list){
+			int[] arr=new int[list.size()];		//�����洢list���ϵ��е���
+			
+			Node p,q;
+			p=list.getHeadNode();
+			q=headNode;
+			for(int i=1;i<=list.size();i++){	//����list����
+				p=p.node;
+				arr[i-1]=(int) p.getDate();	//ȡ�������е��������洢��arr�С�
+			}
+			
+			//ÿ����һ���������ݣ��ͱ���һ�鱾�����������������Ƿ������ͬ�����ݣ���ͬ��ɾ����
+			for(int i=0;i<arr.length;i++){//��������
+				
+				for(int j=1;j<=size();j++){//����������
+					q=q.node;
+					if((int)q.data==arr[i]){
+						remove(j);
+					}
+				}
+				q=headNode;
+			}
+		}
+		
+		/**
+		 * ��֪��ǰ�����е�Ԫ����ֵ�����������У����Ե��������洢�ṹ��
+		 * ɾ����������ֵ��ͬ�Ķ���Ԫ�أ�ʹ�ò���������Ա�������Ԫ�ص�ֵ������ͬ��
+		 */
+		public  void removeDuplicateValues(){
+			Node q,p;
+			q=headNode;
+			
+			for(int i=1;i<=size();i++){
+				q=q.node;
+				p=q.node;
+				if((int)q.data==(int)p.data){
+					remove(i);
+				}
+			}
+		}
+		
+		/**
+		 * ��֪�����е�Ԫ����ֵ�����������У����Ե��������洢�ṹ��
+		 * ��дһ��Ч���㷨��ɾ����������ֵ����min��С��max��Ԫ�أ������д���������Ԫ�أ�
+		 * @param min
+		 * @param max
+		 */
+		public  void removeRange(int min, int max){
+			int mMax=0,mMin=0;
+			Node p,q;
+			q=headNode;
+			p=headNode;
+			
+			//�Ӵ���С�ң���һ�α�minС������������β����ʼ��
+			int[] arr=new int[size()];		//�����洢���������е���
+			Node m;
+			m=headNode;
+			for(int i=1;i<=size();i++){	//����list����
+				m=m.node;
+				arr[i-1]=(int) m.getDate();	//ȡ�������е��������洢��arr�С�
+			}
+			for(int i=arr.length-1;i>=0;i--){
+				//System.out.println("arr"+arr[i]);
+				//System.out.println("arr"+arr[i]);
+				if(min>arr[i]){
+					mMin=i+1;
+					System.out.println("mMix"+mMin);
+					break;
+				}
+			}
+			//��С�����ң���һ�α�max�������������ͷ����ʼ��
+			for(int i=1;i<=size();i++){
+				q=q.node;
+				if(max<(int)q.data){
+					mMax=i;
+					System.out.println("mMax"+mMax);
+					break;
+				}
+			}
+			
+			//�ҵ�Ҫɾ������
+			remove(mMin, mMax-mMin);
+			
+		}
+		
+		/**
+		 * ���赱ǰ�����Ͳ���listָ������������Ԫ����ֵ�����������У�ͬһ���е�Ԫ��ֵ������ͬ��
+		 * ��Ҫ������������C����Ԫ��Ϊ��ǰ������list��Ԫ�صĽ������ұ�C�е�Ԫ������ֵ������������
+		 * @param list
+		 */
+		public  MyLinkedList intersection( MyLinkedList list){
+			Node p=headNode,
+					q=list.headNode;
+			MyLinkedList ls=new MyLinkedList();
+			
+			for(int i=1;i<size();i++){
+				p=p.node;
+				for(int j=1;j<size();j++){
+					q=q.node;
+					if((int)p.data==(int)q.data){
+						ls.add(q.data);
+					}
+				}
+				q=list.headNode;
+			}
+			return ls;
+		}
+		
 	}
 	
 	
diff --git a/group10/3314793852/src/myList/Test.java b/group10/3314793852/src/myList/Test.java
index 81ef1a9e23..e0ebdcabbd 100644
--- a/group10/3314793852/src/myList/Test.java
+++ b/group10/3314793852/src/myList/Test.java
@@ -3,23 +3,96 @@
 public class Test {
 
 	public static void main(String[] args) {
-		MyBinarySearchTree my=new MyBinarySearchTree();
+//		MyBinarySearchTree my=new MyBinarySearchTree();
 //		//����������
-		my.insert(5);
-		my.insert(2);
-		my.insert(7);
-		my.insert(1);
-		my.insert(6);
+//		my.insert(5);
+//		my.insert(2);
+//		my.insert(7);
+//		my.insert(1);
+//		my.insert(6);
 		
 //		//����������
 //		my.getData();
 		
 		//����4��8
-		my.insert(4);
-		my.insert(8);
+//		my.insert(4);
+//		my.insert(8);
 		
 		//����������
-		my.getData();
+//		my.getData();
+		
+//		MyLinkedList my=new MyLinkedList();
+//		my.add(1);
+//		my.add(6);
+//		my.add(8);
+//		my.add(4);
+//		my.add(5);
+//		my.print();
+//		my.reverse();
+//		my.print();
+//		
+//		my.add(1);
+//		my.add(3);
+//		my.add(4);
+//		
+//		MyLinkedList my2=new MyLinkedList();
+//		
+//		my2.add(100);
+//		my2.add(200);
+//		my2.add(300);
+//		my2.add(400);
+//		my2.add(500);
+//		my2.add(600);
+//		
+//		int[] arr=new int[my.size()];
+//		arr=my2.getElements(my);
+//		for(int i=0;i<arr.length;i++){
+//			System.out.println(arr[i]);
+//		}	
+		
+		
+//		MyLinkedList my=new MyLinkedList();
+//		MyLinkedList my2=new MyLinkedList();
+//		
+//		my.add(1);
+//		my.add(2);
+//		my.add(3);
+//		//my.print();
+//		
+//		my2.add(1);
+//		my2.add(2);
+//		my2.add(4);
+//		//my2.print();
+//		
+//		my2.subtract(my);
+//		
+//		my2.print();
+		
+//		
+//		MyLinkedList my=new MyLinkedList();
+//		my.add(1);
+//		my.add(2);
+//		my.add(2);
+//		my.add(3);
+//		my.add(3);
+//		my.removeDuplicateValues();
+//		my.print();
+		
+		
+//		MyLinkedList my=new MyLinkedList();
+//		my.add(1);
+//		my.add(2);
+//		my.add(2);
+//		my.add(3);
+//		my.add(3);
+//		my.add(4);
+//		my.add(4);
+//		my.add(5);
+//		my.add(5);
+//		my.print();
+//		my.removeRange(2, 4);
+//		my.print();
+		
 		
 	}