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README
Apache-2.0

感谢赞助的ta们

Java 核心系列教程,关于Java核心技术学习积累的例子,是初学者及核心技术巩固的最佳实践。

包括基础语法,OOP,字符串,集合,IO,反射,线程,网络等。 未完成模块:阿里Java手册、java8,注解,fork/join,加解密等。欢迎fork,欢迎交流。

一、支持泥瓦匠(强烈推荐:博客一文多发平台 https://openwrite.cn)

  1. 拿起微信,关注公众号:「泥瓦匠BYSocket 」。添加我微信:bysocket01,加入纯技术交流群,成长技术
  2. 给教程的开源代码仓库点个 Star
  3. 帮忙分享该系列文章链接给更多的朋友

如果您对 Java 基础核心类教程不感冒或者想要通过综合案例学习Spring,那么给您推荐这个我觉得目前内容与价格最良心的视频课程:“玩转Spring全家桶”

二、系列文章目录

『 阿里 Java 开发手册篇 』

『 Java 进阶篇 』

  • 连载中...

『 Java 集合篇 』

『 Java IO 篇 』

三、最后推荐

四、我的公号

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项目结构

  • src 目录
    Java核心技术学习代码兼测试案例
  • test目录(测试包名与src目录保持一致)
    对应学习代码包的详细测试案例

包目录:

├── org.rpc		// 基于Java动态代理&Socket的简单RPC实现
=================华丽的分割线=================
├── org.javacore.base		// Java基础必备
├── org.javacore.collection	// Java集合
├── org.javacore.collection.list	// Java集合List
├── org.javacore.collection.map	// Java集合Map
├── org.javacore.collection.queue	// Java集合Queue
├── org.javacore.collection.set	// Java集合Set
├── org.javacore.collection.util	// Java集合工具类
├── org.javacore.initAndCleanup	// Java初始化及清理
├── org.javacore.io			// Java IO
├── org.javacore.io.byteoper		// Java IO 字节操作
├── org.javacore.io.zip			// Java IO ZIP压缩解压
├── org.javacore.nio			// Java NIO
├── org.javacore.reflection	// Java 反射
├── org.javacore.rtti			// Java RTTI
├── org.javacore.thread		// Java 线程
=================实战JAVA 8=================
├── org.javacore.lambda		// lambda表达式
├── org.javacore.stream		// Stream API 集合的流式操作

拼命更新!顶!d=====( ̄▽ ̄*)b

详细目录:

├── README.md						// 项目唯一详细文档
├── org.javacore.base			// Java基础必备
├── 	CopyT.java						// 深拷贝与浅拷贝
├── org.javacore.base.inter		// Java接口
├── 	ApplyClass.java					// 不使用接口的接口案例
├── 	ApplyInter.java					// 使用接口的接口案例
├── org.javacore.collection		// Java集合
├── 	PerBtwnAllCollectionsT.java		// 各集合添加方法性能对比
├── org.javacore.collection.list		// Java集合List
├── 	ArrayListT.java					// ArrayList的使用
├── 	PerBtwnArlAndLklT.java			// ArrayList与LinkedList性能的对比
├── org.javacore.collection.map		// Java集合Map
├── 	HashMapObjT.java				// HashMap操作对象的决定因子:hashCode与equals
├── 	HaspMapT.java					// HashMap的Add方法
├── 	TreeMapT.java					// TreeMap的使用
├── org.javacore.collection.queue		// Java集合Queue
├── 	PriorityQueueT.java				// PriorityQueue的使用
├── org.javacore.collection.set		// Java集合Set
├── 	HashSetObjT.java				// HashSet操作对象的决定因子:hashCode与equals
├── 	HashSetsCopyT.java				// HashSet及其子类的转换使用
├── 	HashSetT.java					// HashSet的Add方法
├── 	SetContainT.java				// Set的Contains方法
├── 	TreeSetT.java					// TreeSet操作实现Comparable接口的对象
├── org.javacore.collection.util		// Java集合工具类
├── 	CollectionsT.java				// Collections的使用
├── 	IterAndListIterT.java			// Iterator与ListIterator的区别
├── 	PerBtwnEmptyMapAndHashMapT.java	// Collections.EMPTY_MAP 与 new HashMap 性能对比
├── org.javacore.initAndCleanup	// Java初始化及清理
├── 	SimpleConstructor.java			// 简单构造器的展示
├── 	SimpleConstructor2.java			// 带参数简单构造器的展示
├── 	VoidConstructor.java			// 默认构造函数和方法的区别
├── org.javacore.io				// Java IO
├── 	BufferedInputFileT.java			// 缓冲输入文件
├── 	CopyFileT.java					// 文件复制
├── 	Directory.java					// 目录实用工具
├── 	DirListT.java					// 列出目录并排序
├── 	FileIOStreamT.java				// FileInputStream&FileOutputStream使用案例
├── 	FileMethodsT.java				// File方法详细使用
├── 	FilenameFilterT.java			// 类名过滤器的使用
├── 	FileT.java						// File类的使用
├── 	FormatteMemoryInput.java		// 格式化内存输入
├── 	JavaFileListT.java				// FilenameFilter文件过滤器的使用
├── 	MemoryInputT.java				// 内存中输入
├── 	PipeStreamT.java				// 管道输入输出流的的使用
├── 	RandomAccessFileT.java			// RandomAccessFile的使用
├── 	StoringAndRecoveringData.java	// DataOutputStream和DataInputStream的使用案例
├── 	SystemStreamT.java				// System.out, System.err中IO的使用
├── 	UsingRandomAccessFile.java		// RandomAccessFile的使用案例
├── org.javacore.io.byteoper		// Java IO 字节操作
├── 	IntegerConvertT.java			// Integer与byte数组转换
├── 	IntegerOperT.java				// Integer类的进制转换
├── 	LongConvertT.java				// Long与byte数组转换
├── 	StringConvertT.java				// String转换成byte数组
├── org.javacore.io.zip				// Java IO ZIP压缩解压
├── 	GZIPcompress.java				// GZIP简单使用
├── 	ZipCompress.java				// 利用Zip进行多文件保存
├── org.javacore.nio				// Java NIO
├── 	AvailableCharSets.java		 	// 可用的CharSet打印
├── 	BufferToText.java				// ByteBuffer与char之间转换的案例
├── 	ChannelCopy.java				// FileChannel的文件复制案例
├── 	Endians.java					// ByteBuffer中字节存储次序
├── 	FileChannelT.java				// FileChannel读写文件案例
├── 	FileChannelTransferTo.java		// FileChannel的transferTo/transferFrom案例
├── 	FileLocking.java				// 文件加锁
├── 	GetChannel.java					// 从流中获取FileChannel的案例
├── 	GetData.java					// ByteBuffer操作类型数据的案例
├── 	IntBufferDemo.java				// 通过IntBuffer操作ByteBuffer的int型数据
├── 	LargeMappedFiles.java			// 内存映射文件的使用
├── 	MappedIO.java					// MappedByteBuffer与Old IO的性能比
├── 	UsingBuffers.java				// 利用buffer实现交换相邻字符
├── 	ViewBuffers.java				// 不同视图下的缓冲区
├── org.javacore.reflection		// Java 反射
├── 	ArrayCopy.java					// 反射扩容对象数组
├── 	EmployeeClass.java				// 反射在继承中的案例
├── 	ObjectAnalyzer.java				// 反射对象分析工具
├── 	ReflectionTest.java				// 反射对象构造函数、方法及字段
├── 	User.java						// 反射构造器使用的bean
├── 	UserConstructorReflect.java		// 利用反射通过构造器创建一个实例
├── org.javacore.rtti				// Java RTTI
├── 	ClassInitialization.java		// Class初始化案例
├── 	ShowMethods.java				// 获取Class方法案例
├── org.javacore.thread			// Java 线程
├── 	BasicThreads.java				// 线程简单使用
├── 	CachedThreadPool.java			// 线程池CachedThreadPool的简单使用
├── 	CallableDemo.java				// Callable接口的使用 --- 实现带返回值的任务
├── 	DaemonFromFactory.java			// 后台线程工厂类的使用
├── 	DaemonThreadFactory.java		// 线程工厂类
├── 	DaemonsDontRunFinally.java		// 后台线程遇到Finally
├── 	FixedThreadPool.java			// 线程池FixedThreadPool的简单使用
├── 	LiftOff.java					// Runnable接口的实现类LiftOff
├── 	MoreBasicThreads.java			// 线程简单使用-启动多个线程
├── 	MyRunnable.java					// Runnable接口的简单使用
├── 	MyThread.java					// Thread的简单使用
├── 	SimpleDaemons.java				// Daemon后台线程的简单使用
├── 	SimplePriorities.java			// 线程优先级的使用
├── 	SingleThreadExecutor.java		// SingleThreadExecutor的使用
├── 	SleepingTask.java			    // 休眠线程sleep的使用
拼命更新!顶!d=====( ̄▽ ̄*)b

学习方法

根据包目录,进行一块一块学习。然后针对某类,请看下相对应的test包或者src下直接测试案例,进行学习。

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