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‎.gitignore

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*.class
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.jar
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*.war
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*.ear
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target
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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#ide config
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.metadata
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.recommenders
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.idea/
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#macOS
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.DS_Store
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*.iml
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rebel.*
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.rebel.*
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target
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‎README.md

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## 2017编程提高社群
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2017编程提高社群代码仓库所在地

‎group01/1664823950/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<<<<<<< HEAD:group01/1664823950/.project
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<name>1664823950</name>
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=======
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<name>1264835468</name>
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>>>>>>> master:group17/1264835468/.project
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<comment></comment>
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<projects>
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</projects>

‎group01/group01.md

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‎group02/group02.md

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‎group03/group03.md

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‎group04/group04.md

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‎group05/group05.md

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‎group06/1049564215/src/com/coding/basic/MyArrayList.java

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import java.util.*;
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/**
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* @author CCD
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*
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*/
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public class MyArrayList {
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private Object[] elementData = new Object[100];
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private int size = 100 ;
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public void add(Object o){
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elementData[size++] = o;
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}
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public void add(int index, Object o){
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if(index > size || index < 0)
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throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
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"index is less than 0");
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System.arraycopy(elementData, index, elementData, index+1, size-index);
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elementData[index] = o;
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size++;
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}
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public Object get(int index){
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if(index > size || index < 0)
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throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
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"index is less than 0");
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return elementData[index];
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}
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public Object remove(int index){
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if(index > size || index < 0)
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throw new IndexOutOfBoundsException("index "+ index +"is biger than size" + size+
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"index is less than 0");
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Object E = elementData[index];
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System.arraycopy(elementData, index+1, elementData, index,
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size - index - 1);
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elementData[--size] = null;
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return E;
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}
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public int size(){
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return size;
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}
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public Iterator iterator(){
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return null;
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}
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}

‎group06/1049564215/src/com/coding/basic/MyLinkedList.java

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import java.util.*;
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public class MyLinkedList implements List {
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private Node first;
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private Node last;
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private int size = 0 ;
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public void Myadd(Object o){
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final Node l = last;
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final Node newNode = new Node(l,o,null);
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last = newNode;
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if(l == null)
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first = newNode;
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else
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l.next = newNode;
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size++;
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}
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public void Myadd(int index , Object o){
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checkPosition(index);
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if(index == size){
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Myadd(o);
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}
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else{
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final Node PreNode =GetNodeByIndex(index).prev;
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final Node newNode = new Node(PreNode,o,GetNodeByIndex(index));
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PreNode.next =newNode;
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if(PreNode == null)
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first = newNode; //ΪʲôҪ¸¶¸øÊ×Ö¸Õ룿
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else
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PreNode.next = newNode;
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size++;
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}
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}
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public Object get(int index){
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checkPosition(index);
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return GetNodeByIndex(index);
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}
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public void remove(int index){
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Node node = GetNodeByIndex(index);
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node.prev.next = node.next;
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node.next.prev = node.prev;
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node = null;
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size--;
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}
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public int size(){
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return size;
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}
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public void addFirst(Object o){
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final Node FirstNode= first;
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final Node newNode = new Node(null,o,first);
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first = newNode;
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if(FirstNode == null)
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last = newNode;
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else
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first.prev = newNode;
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size++;
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}
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public void addLast(Object o){
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final Node LastNode = last;
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final Node newNode = new Node(last,o,null);
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last = newNode;
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if(last == null)
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first = newNode;
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else
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last.next = newNode;
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size++;
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}
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public void removeFirst(){
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final Node f = first;
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if(f == null)
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throw new NoSuchElementException();
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first = f.next;
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first = null;
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size--;
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}
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public void removeLast(){
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final Node f = last;
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if(f == null)
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throw new NoSuchElementException();
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last = last.prev;
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last = null;
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size--;
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}
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public Iterator iterator(){
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return null;
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}
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private static class Node{
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Object item;
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Node next;
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Node prev;
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Node (Node prev,Object element ,Node next){
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this.item = element;
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this.next = next;
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this.prev = prev;
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}
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}
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private Node GetNodeByIndex(int index){
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if(index > size/2)
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{
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Node Temp = first;
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for(int i = 0; i< index;i++)
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Temp = Temp.next; //
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return Temp;
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}
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else
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{
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Node Temp = last;
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for(int i = size-1; i> index; i--)
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Temp = Temp.prev;
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return Temp;
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}
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}
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private void checkPosition(int index){
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if(index < 0 || index > size)
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throw new IndexOutOfBoundsException("index:"+ index+"is llegal");
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}
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}

‎group06/1049564215/src/com/coding/basic/MyQueue.java

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/**
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* @author CCD
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*
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*/
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import java.util.*;
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public class MyQueue {
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private static final int DEFAULT_SIZE = 10;
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private Object[] elementData;
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private int head;
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private int tail;
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public MyQueue(){
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this(DEFAULT_SIZE);
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}
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public MyQueue(int size){
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this.elementData = new Object[size];
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this.head = 0;
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this.tail = 0;
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}
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public void enQueue(Object o){
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if((tail+1)%elementData.length == head){
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}
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else{
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elementData[tail] = o;
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tail = (tail+1)%elementData.length;
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}
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}
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public Object deQueue(){
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if(head == tail){
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return null;
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}
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else{
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Object o = elementData[head];
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head = (head+1)% elementData.length;
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return o ;
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}
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}
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public boolean isEmpty(){
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return head == tail ;
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}
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public int size(){
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return (tail-head)&(elementData.length -1);
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}
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}

‎group06/1049564215/src/com/coding/basic/MyStack.java

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import java.util.*;
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/**
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*
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*/
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/**
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* @author CCD
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*
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*/
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public class MyStack {
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private ArrayList elementData = new ArrayList();
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private Object[] Myelement = elementData.toArray();
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private int Length = elementData.size();
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public void push(Object E){
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Myelement[++Length] = E ;
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}
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public Object pop(){
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int NowLength = size()-1;
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Object obj = peek();
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Length--;
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Myelement[Length] = null ;
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return obj;
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}
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public Object peek(){
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int NowLength = size();
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if(NowLength == 0)
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throw new EmptyStackException();
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NowLength -= 1 ;
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if(NowLength >= Length )
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throw new ArrayIndexOutOfBoundsException(NowLength + " >= " + Length);
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return Myelement[NowLength];
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}
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public boolean isEmpty(){
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return size() == 0;
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}
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public int size(){
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return Length;
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}
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}

‎group06/1259131938/JavaLearning/.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎group06/1259131938/JavaLearning/.gitignore

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/bin/

‎group06/1259131938/JavaLearning/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>JavaLearning</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎group06/1259131938/JavaLearning/.settings/org.eclipse.jdt.core.prefs

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.6
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.source=1.6

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