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Java入门学习教程!(附学习资料)

  • 2026-03-24 17:32:47
Java入门学习教程!(附学习资料)
Java是全球排名第一的编程语言，Jav工程师也是市场需求量最大的软件工程师，对于学历一般的同学来说，选择Java，就是选择了高薪工作
Java是基于JVM虚拟机的跨平台语言，一次编写，到处运行，拥有很多开源社区的支持，高质量组件随时可用，广泛应用于互联网和企业应用、大数据平台和Android移动平台
如果你想要走开发的路线，那学习Java是必然的选择
这一期主要是给大家推荐一个Java入门学习教程，内容很多，把前面几个部分学习就行了，其他内容有时间也可以过一遍
下面具体来介绍一下这个教程：
第一部分：快速入门与面向对象编程
首先介绍Java编程语言的历史，搭建Java开发环境，写第一个Java程序，介绍流程控制与数组操作的内容，Java是一门面向对象的编程语言，介绍面向对象基础和Java核心类，比如变量和数据类型，整数运算等，这些都是比较重要的，新手小白建议都看一遍
第二部分：异常处理与反射
异常处理对于各个编程语言都是重要内容，包括Java的异常，捕获异常，抛出异常，自定义异常等，Java的反射指的是程序在运行期可以拿到一个对象的所有信息，包括Class类，访问字段，调用方法，调用构造方法，获取继承关系等
第三部分：注解、泛型与集合
注解是放在Java源码的类，方法，字段，参数前的一种特殊注释，这一部分介绍如何使用注解，定义注解，处理注解，泛型就是编写模版代码来适应任意类型，使用时不必对类型进行强制转换，集合是Java中一类重要的数据结构，包括使用List，编写equals方法，使用MAP，使用TreeMap等内容
第四部分：IO、日期与正则表达式
数据输入输出是一个重要内容，这一部分介绍File对象，InputStream, OutStream， Filter模式，操作Zip，序列化，Reader和Writer等，日期也是编程中常用的内容，包括Date和Calendar, LocalDate Time等，最后介绍正则化的内容，正则表达式的匹配规则，复杂匹配规则，分组匹配，非贪恋匹配，搜索和替换等
第五部分：多线程与Maven基础
多线程是Java最基本的一种并发类型，像电脑上同时执行多个任务，就是多线程。这一部分介绍创建新线程，线程的状态，中断线程，守护线程，线程同步，使用线程池等，Maven则是一个Java项目管理和创建工具，它可以定义项目结构，项目依赖，并使用统一的方式进行自动化构建
除了上面的内容，还有一些进阶的内容，包括网络编程，XML与JSON，JDBC编程，设计模式，Web开发，Spring开发，Spring Boot开发与Spring Cloud开发等
如果有充足的时间，建议大家去看看廖雪峰老师的网站：https://liaoxuefeng.com/books/java/generics/index.html
Java的内容其实非常多，只能说把基础的学会，后面搞几个项目，很多就自然而然用到了
上述资料获取：
1. 关注本公众号
2. 发送口令“Java教程”领取（人工回复可能有时差，都会发给大家的，不用着急
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  1. CONNECT:[ UseTime:0.000840s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000768s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000332s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000289s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000533s ]
  6. SELECT * FROM `set` [ RunTime:0.000207s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000616s ]
  8. SELECT * FROM `article` WHERE `id` = 474993 LIMIT 1 [ RunTime:0.000375s ]
  9. UPDATE `article` SET `lasttime` = 1774480054 WHERE `id` = 474993 [ RunTime:0.025083s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000252s ]
  11. SELECT * FROM `article` WHERE `id` < 474993 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000530s ]
  12. SELECT * FROM `article` WHERE `id` > 474993 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000501s ]
  13. SELECT * FROM `article` WHERE `id` < 474993 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000893s ]
  14. SELECT * FROM `article` WHERE `id` < 474993 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000764s ]
  15. SELECT * FROM `article` WHERE `id` < 474993 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000735s ]
0.105272s