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Merge pull request #1 from DonaldY/master
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Xiaozi123 authored Mar 13, 2017
2 parents 2d87167 + 64f8cb0 commit 5a97b44
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21 changes: 21 additions & 0 deletions group24/.gitignore
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*.class
# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files #
*.jar
*.war
*.ear

# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*

#ide config
.metadata
.recommenders
.idea/
*.iml
rebel.*
.rebel.*

target
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package com.github.chishiwu.coding2017.basic;

import java.util.Arrays;

public class ArrayList implements List {

private int size = 0;
Object[] elementData = new Object[100];

// 动态添加元素
public void add(Object o) {
ensureCapacity(size + 1);
elementData[size] = o;
size++;

}

public void add(int index, Object o) {
Check(index);
ensureCapacity(size + 1);
System.arraycopy(elementData, index, elementData, index + 1, size
- index);
elementData[index] = o;
size++;
}

// 动态扩容
private void ensureCapacity(int minCapacity) {
// TODO Auto-generated method stub
int oldCapacity = elementData.length;
if (minCapacity > oldCapacity) {
int newCapacity = (oldCapacity * 3) / 2 + 1;
if (newCapacity < minCapacity) {
newCapacity = minCapacity;
}
elementData = Arrays.copyOf(elementData, newCapacity);
}
}

public void Check(int index) {
if (index >= size || index < 0) {
throw new IndexOutOfBoundsException("index" + index + "越界");
}
}

public Object get(int index) {
Check(index);
return elementData[index];
}

public Object remove(int index) {
Check(index);
// 备份
Object oldValue = elementData[index];
int num = size - index - 1;
if (num > 0)
System.arraycopy(elementData, index + 1, elementData, index + 1,
num);
elementData[--size] = null;
return oldValue;

}

public int size() {
return size;
}

public Iterator iterator() {
return new ArrayListIterator();
}

private class ArrayListIterator implements Iterator {

private int currentIndex = 0;

public boolean hasNext() {
if (currentIndex >= size)
return false;
else
return true;
}

public Object next() {
Object o = elementData[currentIndex];
currentIndex++;
return o;
}
}

}
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package com.github.chishiwu.coding2017.basic;

public interface Iterator {
public boolean hasNext();
public Object next();

}
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package com.github.chishiwu.coding2017.basic;



public class LinkedList implements List {

private Node head;

public void add(Object o){

}
public void add(int index , Object o){

}
public Object get(int index){
return null;
}
public Object remove(int index){
return null;
}

public int size(){
return -1;
}

public void addFirst(Object o){

}
public void addLast(Object o){

}
public Object removeFirst(){
return null;
}
public Object removeLast(){
return null;
}
public Iterator iterator(){
return null;
}


private static class Node{
Object data;
Node next;

}

/**
* 鎶婅閾捐〃閫嗙疆
* 渚嬪閾捐〃涓�3->7->10 , 閫嗙疆鍚庡彉涓� 10->7->3
*/
public void reverse(){

}

/**
* 鍒犻櫎涓�釜鍗曢摼琛ㄧ殑鍓嶅崐閮ㄥ垎
* 渚嬪锛歭ist = 2->5->7->8 , 鍒犻櫎浠ュ悗鐨勫�涓�7->8
* 濡傛灉list = 2->5->7->8->10 ,鍒犻櫎浠ュ悗鐨勫�涓�,8,10
*/
public void removeFirstHalf(){

}

/**
* 浠庣i涓厓绱犲紑濮嬶紝 鍒犻櫎length 涓厓绱�锛�娉ㄦ剰i浠�寮�
* @param i
* @param length
*/
public void remove(int i, int length){

}
/**
* 鍋囧畾褰撳墠閾捐〃鍜宭ist鍧囧寘鍚凡鍗囧簭鎺掑垪鐨勬暣鏁�
* 浠庡綋鍓嶉摼琛ㄤ腑鍙栧嚭閭d簺list鎵�寚瀹氱殑鍏冪礌
* 渚嬪褰撳墠閾捐〃 = 11->101->201->301->401->501->601->701
* listB = 1->3->4->6
* 杩斿洖鐨勭粨鏋滃簲璇ユ槸[101,301,401,601]
* @param list
*/
public static int[] getElements(LinkedList list){
return null;
}

/**
* 宸茬煡閾捐〃涓殑鍏冪礌浠ュ�閫掑鏈夊簭鎺掑垪锛屽苟浠ュ崟閾捐〃浣滃瓨鍌ㄧ粨鏋勩�
* 浠庡綋鍓嶉摼琛ㄤ腑涓垹闄ゅ湪list涓嚭鐜扮殑鍏冪礌
* @param list
*/

public void subtract(LinkedList list){

}

/**
* 宸茬煡褰撳墠閾捐〃涓殑鍏冪礌浠ュ�閫掑鏈夊簭鎺掑垪锛屽苟浠ュ崟閾捐〃浣滃瓨鍌ㄧ粨鏋勩�
* 鍒犻櫎琛ㄤ腑鎵�湁鍊肩浉鍚岀殑澶氫綑鍏冪礌锛堜娇寰楁搷浣滃悗鐨勭嚎鎬ц〃涓墍鏈夊厓绱犵殑鍊煎潎涓嶇浉鍚岋級
*/
public void removeDuplicateValues(){

}

/**
* 宸茬煡閾捐〃涓殑鍏冪礌浠ュ�閫掑鏈夊簭鎺掑垪锛屽苟浠ュ崟閾捐〃浣滃瓨鍌ㄧ粨鏋勩�
* 璇曞啓涓�珮鏁堢殑绠楁硶锛屽垹闄よ〃涓墍鏈夊�澶т簬min涓斿皬浜巑ax鐨勫厓绱狅紙鑻ヨ〃涓瓨鍦ㄨ繖鏍风殑鍏冪礌锛�
* @param min
* @param max
*/
public void removeRange(int min, int max){

}

/**
* 鍋囪褰撳墠閾捐〃鍜屽弬鏁發ist鎸囧畾鐨勯摼琛ㄥ潎浠ュ厓绱犱緷鍊奸�澧炴湁搴忔帓鍒楋紙鍚屼竴琛ㄤ腑鐨勫厓绱犲�鍚勪笉鐩稿悓锛�
* 鐜拌姹傜敓鎴愭柊閾捐〃C锛屽叾鍏冪礌涓哄綋鍓嶉摼琛ㄥ拰list涓厓绱犵殑浜ら泦锛屼笖琛–涓殑鍏冪礌鏈変緷鍊奸�澧炴湁搴忔帓鍒�
* @param list
*/
public LinkedList intersection( LinkedList list){
return null;
}
}
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package com.github.chishiwu.coding2017.basic;

public interface List {
public void add(Object o);
public void add(int index, Object o);
public Object get(int index);
public Object remove(int index);
public int size();
}
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package com.github.chishiwu.coding2017.basic;

public class Queue {

public void enQueue(Object o){
}

public Object deQueue(){
return null;
}

public boolean isEmpty(){
return false;
}

public int size(){
return -1;
}
}
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package com.github.chishiwu.coding2017.basic;

public class Stack {
private Node mStackNode;
private int size;

public void push(Object o) {
Node node = new Node();
node.data = o;
if (null == mStackNode) {
mStackNode = node;
} else {
mStackNode.next = node;
mStackNode = node;
}
size++;
}

public Object pop() {
if (size == 0) {
throw new RuntimeException("the stack is empty");
}
Object obj = mStackNode.data;
mStackNode = mStackNode.pre;
size--;
return obj;
}

public Object peek() {
if (size == 0) {
throw new RuntimeException("the stack is empty");
}
return mStackNode.data;
}

public boolean isEmpty() {
return size == 0;
}

public int size() {
return size;
}

private static class Node {
Object data;
Node next;
Node pre;
}
}
1 change: 1 addition & 0 deletions group24/1107225491/博客地址.txt
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http://www.cnblogs.com/chishiwu/p/6514526.html
36 changes: 36 additions & 0 deletions group24/1148285693/.gitignore
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# Mobile Tools for Java (J2ME)
.mtj.tmp/

# Package Files
*.war
*.ear
*.bk
.gradle
target
*.class
*.real

# virtual machine crash logs
# see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*

# Eclipse Files #
.project
.classpath
.settings

# Idea
*.iml
*.ipr
*.iws
.idea

# log
*_IS_UNDEFINED
logs
*.log

# other
*.bak
.directory
.DS_Store
22 changes: 22 additions & 0 deletions group24/1148285693/learning2017/learning-basic/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>


<parent>
<artifactId>learning2017</artifactId>
<groupId>me.lzb</groupId>
<version>1.0</version>
</parent>


<artifactId>learning-basic</artifactId>
<name>basic</name>
<version>1.0</version>


<dependencies>
</dependencies>
</project>
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