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‎README.md‎

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# 目录
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## 网络通信
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- [一篇文章看明白 TCP/IP,TCP,UDP,IP,Socket 之间的关系](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/network/TCP_IP_UDP_Socket.md)
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- [一篇文章看明白 HTTP,HTTPS,SSL/TSL 之间的关系](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/network/HTTP_HTTPS_SSL_TSL.md)
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## 深入理解 Java 虚拟机
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- [JVM 内存分配机制](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/JVM-内存分配机制.md)
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- [JVM 垃圾回收机制](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/JVM-垃圾回收机制.md)
27-
- :+1:[图解 Java 虚拟机系列(一)字节码文件结构](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/01_bytecode_class.md)
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- [图解 Java 虚拟机系列(二)字节码指令](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/02_bytecode_command.md)
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## Android 进阶攻略
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- [精华面试题,长期更新!](https://github.com/android-exchange/Android-Interview)
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- [Android 入门学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/01_android_basic.md)
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- [Android 高级学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/02_android_advanced.md)
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- [Android 资深(专家)学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/03_android_senior.md)
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## 图解 Android 系列
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- :+1:[图解 Android 系列(一)揭秘 Android 系统启动过程](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/framework/01_system_start.md)
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- :+1:[性能优化系列(六)启动性能优化](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/performance/06_launch.md)
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- :+1:[性能优化系列(七)APK 体积优化](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/performance/07_apk.md)
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## 深入理解 Java 虚拟机
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- [JVM 内存分配机制](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/JVM-内存分配机制.md)
37+
- [JVM 垃圾回收机制](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/JVM-垃圾回收机制.md)
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- :+1:[图解 Java 虚拟机系列(一)字节码文件结构](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/01_bytecode_class.md)
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- [图解 Java 虚拟机系列(二)字节码指令](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/java/jvm/02_bytecode_command.md)
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## 热修复与插件化系列
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- [聊聊反射](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/plugin/01_reflection.md)
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- [Android 性能优化 - UI优化](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/basic/Android-性能优化-UI优化.md)
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- [Android 性能优化 - 内存优化](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/android/basic/Android-性能优化-内存优化.md)
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## Android 进阶攻略
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- [精华面试题,长期更新!](https://github.com/android-exchange/Android-Interview)
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- [Android 入门学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/01_android_basic.md)
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- [Android 高级学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/02_android_advanced.md)
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- [Android 资深(专家)学习指南](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/interview/03_android_senior.md)
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## Gradle
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- [插件开发](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/gradle/Gradle-插件开发.md)
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- [插件发布](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/gradle/Gradle-插件发布.md)
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## 网络通信
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- [一篇文章看明白 TCP/IP,TCP,UDP,IP,Socket 之间的关系](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/network/TCP_IP_UDP_Socket.md)
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- [一篇文章看明白 HTTP,HTTPS,SSL/TSL 之间的关系](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/network/HTTP_HTTPS_SSL_TSL.md)
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## 数据结构与算法
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### 线性表
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### 排序
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-
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## 前端
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- [前端发展简史](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/web_front/WebFront-发展简史.md)
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## 设计模式
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1. [面向对象设计原则](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/面向对象设计原则.md)
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- 创建型模式
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2. [Singleton(单例模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Singleton.md)
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3. [Factory(工厂模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Factory.md)
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4. [Abstract Factory(抽象工厂模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Abstract_Factory.md)
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5. [Builder(建造者模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Builder.md)
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6. [Prototype(原型模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Prototype.md)
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- 结构型模式
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7. [Adapter(适配器模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Adapter.md)
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8. [Bridge(桥接模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Bridge.md)
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9. [Composite(组合模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Composite.md)
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10. [Decorator(装饰模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Decorator.md)
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11. [Facade(外观模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Facade.md)
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12. [Flyweight(享元模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Flyweight.md)
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13. [Proxy(代理模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Proxy.md)
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- 行为型模式
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14. [Chain of Responsibility(责任链模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Chain_of_Responsibility.md)
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15. [Command(命令模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Command.md)
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16. [Interpreter(解释器模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Interpreter.md)
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17. [Iterator(迭代器模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Iterator.md)
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18. [Mediator(中介者模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Mediator.md)
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19. [Memento(备忘录模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Memento.md)
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20. [Observer(观察者模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Observer.md)
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21. [State(状态模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-State.md)
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22. [Strategy(策略模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Strategy.md)
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23. [Template Method(模板方法模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Template_Method.md)
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24. [Visitor(访问者模式)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Visitor.md)
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- [面向对象设计原则](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/面向对象设计原则.md)
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| 创建型模式 | 结构型模式 | 行为型模式 |
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| ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
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| [Singleton(单例)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Singleton.md) | [Adapter(适配器)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Adapter.md) | [Chain of Responsibility(责任链)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Chain_of_Responsibility.md) |
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| [Factory(工厂)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Factory.md) | [Bridge(桥接)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Bridge.md) | [Command(命令)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Command.md) |
151+
| [Abstract Factory(抽象工厂)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Abstract_Factory.md) | [Composite(组合)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Composite.md) | [Interpreter(解释器)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Interpreter.md) |
152+
| [Builder(建造者)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Builder.md) | [Decorator(装饰)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Decorator.md) | [Iterator(迭代器)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Iterator.md) |
153+
| [Prototype(原型)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Prototype.md) | [Facade(外观)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Facade.md) | [Mediator(中介者)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Mediator.md) |
154+
| | [Flyweight(享元)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Flyweight.md) | [Memento(备忘录)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Memento.md) |
155+
| | [Proxy(代理)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Proxy.md) | [Observer(观察者)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Observer.md) |
156+
| | | [State(状态)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-State.md) |
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| | | [Strategy(策略)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Strategy.md) |
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| | | [Template Method(模板方法)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Template_Method.md) |
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| | | [Visitor(访问者)](https://github.com/jeanboydev/Android-ReadTheFuckingSourceCode/blob/master/article/design_patterns/设计模式-Visitor.md) |
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## 我的公众号
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# 快速排序
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## 排序过程
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1. 首先定义左右两个指针
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2. 以左边第一个数为基数 base
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3. while(i<j) 时遍历
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- 先从右向左遍历,找到第一个比 base 小的数,放到最左边
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- 然后从左向右遍历,找到死一个比 base 大的数,放到最右边
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4. 然后将 i 的位置放入 base
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5. 继续遍历左边部分
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6. 继续遍历右半部分
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## 代码实现
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```java
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private static void quickSort(int[] arr) {
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if (arr == null || arr.length < 2) return;
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quickSort(arr, 0, arr.length - 1);
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}
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private static void quickSort(int[] arr, int l, int r) {
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int i = l; // 左边哨兵
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int j = r; // 右边哨兵
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int base = arr[i]; // 基准数
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while (i < j) {
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while (i < j && arr[j] >= base) { // 从右向左遍历,找到第一个比 base 小的数
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j--;
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}
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arr[i] = arr[j]; // 找到比 base 小的数,放入到最左边
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while (i < j && arr[i] < base) { // 从左向右遍历,找到第一个比 base 大的数
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i++;
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}
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arr[j] = arr[i]; // 找到比 base 大的数,放入到右边
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}
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arr[i] = base; // 遍历完说明两个哨兵相遇,最后交换哨兵与与基准数
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if (i > l) { // 左边部分排序
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quickSort(arr, l, i - 1);
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}
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if (j < r) { // 右边部分排序
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quickSort(arr, j + 1, r);
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}
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}
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```
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# 冒泡排序
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## 排序过程
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1. 外循环从右向左遍历
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2. 内循环从左向右遍历,排除最后一位数
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3. 如果当前的数比后一位数大,则交换
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## 代码实现
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```java
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private static void bubbleSort(int[] arr) {
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if (arr == null || arr.length < 2) return;
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int n = arr.length;
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boolean isSwap = false; // 是否发生了交换
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// 从右向左遍历
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for (int i = n - 1; i > 0; i--) {
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isSwap = false; // 重置标识
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for (int j = 0; j < i; j++) { // 每一轮冒泡,最后一位肯定是最大的数,所以排除最后一位
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if (arr[j] > arr[j + 1]) { // 右边的数比左边大,交换数据
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int temp = arr[j];
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arr[j] = arr[j + 1];
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arr[j + 1] = temp;
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isSwap = true; // 发生了数据交换
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}
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}
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if (!isSwap) { // 没有发生交换,说明已经是正序的数组了
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break;
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}
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}
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}
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```

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