diff --git a/group06/1049564215/src/com/coding/basic/MyArrayList.java b/group06/1049564215/src/com/coding/basic/MyArrayList.java
new file mode 100644
index 0000000000..13a0bd64a0
--- /dev/null
+++ b/group06/1049564215/src/com/coding/basic/MyArrayList.java
@@ -0,0 +1,49 @@
+import java.util.*;
+
+/**
+ * @author CCD
+ *
+ */
+public class MyArrayList {
+	
+	private Object[] elementData = new Object[100];
+	private int size  = 100 ;
+	
+	public void add(Object o){
+		elementData[size++] = o;
+	}
+	public void add(int index, Object o){
+		if(index > size || index < 0)
+			throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
+		    "index is less than 0");
+		System.arraycopy(elementData, index, elementData, index+1, size-index);
+		elementData[index] = o;
+		size++;
+	}
+	
+	public Object get(int index){
+		if(index > size || index < 0)
+			throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
+		    "index is less than 0");
+		return elementData[index];
+	}
+	
+	public Object remove(int index){
+		if(index > size || index < 0)
+			throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
+		    "index is less than 0");
+		Object E  = elementData[index];
+		System.arraycopy(elementData, index+1, elementData, index,
+				size - index - 1);
+		elementData[--size] = null;
+        return E;
+	}
+	
+	public int size(){
+		return size;
+	}
+	
+	public Iterator iterator(){
+		return null;
+	}
+}
diff --git a/group06/1049564215/src/com/coding/basic/MyLinkedList.java b/group06/1049564215/src/com/coding/basic/MyLinkedList.java
new file mode 100644
index 0000000000..275bf14a4f
--- /dev/null
+++ b/group06/1049564215/src/com/coding/basic/MyLinkedList.java
@@ -0,0 +1,124 @@
+import java.util.*;
+
+public  class MyLinkedList implements List {
+	
+	private Node first;
+	private Node last;
+	private int size = 0 ;
+	public void Myadd(Object o){
+		final Node l = last;
+		final Node newNode = new Node(l,o,null);
+		last = newNode;
+		if(l == null)
+			first = newNode;
+		else
+			l.next = newNode;
+		size++;
+	}
+	public void Myadd(int index , Object o){
+		checkPosition(index);
+		if(index == size){
+			Myadd(o);
+		}
+		else{
+			final Node PreNode =GetNodeByIndex(index).prev;
+			final Node newNode = new Node(PreNode,o,GetNodeByIndex(index));
+			PreNode.next =newNode; 
+			if(PreNode == null)
+				first =  newNode; //ΪʲôҪ������ָ�룿 
+		   else
+			   PreNode.next = newNode;
+		   size++;
+	       }
+	}
+	public Object get(int index){
+		checkPosition(index);
+		return GetNodeByIndex(index);
+	}
+	public void remove(int index){
+		Node node = GetNodeByIndex(index);
+		node.prev.next = node.next;
+		node.next.prev = node.prev;
+		node = null;
+		size--;
+	}
+	
+	public int size(){
+		return size;
+	}
+	
+	public void addFirst(Object o){
+		final Node FirstNode= first;
+		final Node newNode = new Node(null,o,first);
+		first = newNode;
+		if(FirstNode == null)
+			last = newNode;
+		else
+			first.prev = newNode;
+	    size++;
+			
+	}
+	public void addLast(Object o){
+		final Node LastNode = last;
+		final Node newNode = new Node(last,o,null);
+		last = newNode;
+		if(last == null)
+			first = newNode;
+		else
+			last.next = newNode;
+		size++;
+	}
+	public void removeFirst(){
+		final Node f = first;
+		if(f == null)
+			throw new NoSuchElementException();
+        first = f.next;
+        first = null;
+		size--;
+	}
+	public void removeLast(){
+		final Node f = last;
+		if(f == null)
+			throw new NoSuchElementException();
+		last = last.prev;
+		last = null;
+        size--;
+	}
+	public Iterator iterator(){
+		return null;
+	}
+	
+	
+	private static  class Node{
+		Object item;
+		Node next;
+		Node prev;
+		Node (Node prev,Object element ,Node next){
+			this.item = element;
+			this.next = next;
+			this.prev = prev;		
+		}	
+	}
+
+	private Node GetNodeByIndex(int index){
+       if(index > size/2)
+       {
+    	   Node Temp = first;
+    	   for(int i = 0; i< index;i++)
+    		   Temp = Temp.next; //
+    	   return Temp;
+       }
+       else
+       {
+    	   Node Temp = last;
+    	   for(int i = size-1; i> index; i--)
+    		   Temp = Temp.prev;
+    	   return Temp;   
+       }
+	}
+
+	private void checkPosition(int index){
+		if(index < 0 || index > size)
+			throw new IndexOutOfBoundsException("index:"+ index+"is llegal");
+	}
+}
\ No newline at end of file
diff --git a/group06/1049564215/src/com/coding/basic/MyQueue.java b/group06/1049564215/src/com/coding/basic/MyQueue.java
new file mode 100644
index 0000000000..c36703c145
--- /dev/null
+++ b/group06/1049564215/src/com/coding/basic/MyQueue.java
@@ -0,0 +1,52 @@
+
+/**
+ * @author CCD
+ *
+ */
+
+import java.util.*;
+
+public class MyQueue {
+	
+	private static final int  DEFAULT_SIZE = 10;
+	
+	private Object[] elementData;
+	private int head;
+	private int tail;
+	public MyQueue(){
+		this(DEFAULT_SIZE);
+	}
+	public MyQueue(int size){
+		this.elementData = new Object[size];
+		this.head = 0;
+		this.tail = 0;
+	}
+	
+	public void enQueue(Object o){	
+		if((tail+1)%elementData.length == head){
+		}
+		else{
+			elementData[tail] = o;
+			tail = (tail+1)%elementData.length;
+		}
+	}
+	
+	public Object deQueue(){
+		if(head == tail){
+			return null;
+		}
+		else{
+			Object o = elementData[head];
+		    head = (head+1)% elementData.length;
+		    return o ;
+		}
+	}
+	
+	public boolean isEmpty(){
+		return head == tail ;
+	}
+	
+	public int size(){
+		return  (tail-head)&(elementData.length -1);
+	}
+}
diff --git a/group06/1049564215/src/com/coding/basic/MyStack.java b/group06/1049564215/src/com/coding/basic/MyStack.java
new file mode 100644
index 0000000000..f7968adb00
--- /dev/null
+++ b/group06/1049564215/src/com/coding/basic/MyStack.java
@@ -0,0 +1,45 @@
+import java.util.*;
+
+/**
+ * 
+ */
+
+/**
+ * @author CCD
+ *
+ */
+public class MyStack {
+        
+    private ArrayList elementData = new ArrayList();
+	private Object[] Myelement = elementData.toArray();
+	private int  Length  = elementData.size();
+	
+	public void push(Object E){	
+		Myelement[++Length] = E ;
+	}
+	
+	public Object pop(){
+		int NowLength = size()-1;
+		Object obj = peek();
+		Length--;
+		Myelement[Length] = null ;
+		return obj;
+	}
+	
+	public Object peek(){
+		int NowLength = size();
+		if(NowLength == 0)
+			throw new EmptyStackException();
+		NowLength -= 1 ;
+		if(NowLength >= Length )
+			throw new ArrayIndexOutOfBoundsException(NowLength + " >= " + Length);
+		return Myelement[NowLength];
+		
+	}
+	public boolean isEmpty(){
+		return size() == 0;
+	}
+	public int size(){
+		return  Length;
+	}
+}