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全部目标 Java 语法 Java 核心 Java 多线程 Java 集合 JSP 和 Servlet Module 3. Java Professional Module 4. SQL & Hibernate Module 5. Spring
全部级别 级别 0 级别 1 级别 2 级别 3 级别 4 级别 5 级别 6 级别 7 级别 8 级别 9 级别 10 级别 11 级别 12 级别 13 级别 14 级别 15 级别 16 级别 17 级别 18 级别 19 级别 20 级别 21 级别 22 级别 23 级别 24 级别 25 级别 26 级别 27 级别 28
  • You've reached Level 33

    Java 集合
    第 3 级, 课程 0
    You've reached Level 33
    可用
  • JavaScript

    Java 集合
    第 3 级, 课程 1
    "Hi, Amigo!" "Hi, Bilaabo!" "I'm glad to see you. Today we have a small but very informative lesson. Today I will tell you about the JavaScript language ..."
    可用
  • JSON

    Java 集合
    第 3 级, 课程 2
    "False alarm. Everything is fine with my relief valve." "Let's continue. Today I want to explain what JSON is." "Yeah, I've heard that word many times. What does it mean?" "With the web's growth, HTML pages with JavaScript began to actively communicate with servers and download data from servers. To make this process easier, a standard was invented for communication between the server and a JavaScript program ..."
    可用
  • Serialization into JSON

    Java 集合
    第 3 级, 课程 3
    "Hi, Amigo!" "Hi, Ellie!" "Since you've already been introduced to JSON, let's talk more about it today." "OK. Where is it usually used?" "Here's how it usually works. Someone (the client) requests data from a Java program (the server). The program creates Java objects and fills them with information from the database. It then converts them into a format that the requester (the client) can understand ..."
    可用
  • JSON serialization frameworks

    Java 集合
    第 3 级, 课程 4
    "Hi, buddy!" "Hey, Diego." "I see here you've learned the basics of JSON serialization?" "What do you mean 'basics'? I know a lot!""So naive. You don't know the half of it. Ten percent at best." "You're kidding. What else is there?" "Deserialization of an object hierarchy (polymorphic deserialization), deserialization of collections, and a whole lot more! The Jackson framework is large and powerful ..."
    可用
  • Tasks | Level 3 | Lesson 5

    Java 集合
    第 3 级, 课程 5
    可用
  • XML, serialization into XML

    Java 集合
    第 3 级, 课程 6
    "How's it going?" "Great. Can't complain. Today Bilaabo told me about JavaScript. Not everything, of course, but more than just a little. Of course, I still haven't written anything in JS, but I don't think it would be difficult." "And Ellie told me about JSON serialization. And you explained the Jackson framework and how to set up 'polymorphic deserialization' using annotations ..."
    可用
  • JAXB

    Java 集合
    第 3 级, 课程 7
    "Not so fast, young man! I have two more lessons for you!" "Two? Wow. Well, okay. What wouldn't you do to enhance your own coolness! I'm all ears." "XML, like JSON, is often used when passing data between different programs and computers. And there are several frameworks that greatly simplify the lives of Java programmers when working with XML. Today I will introduce you to one of them ..."
    可用
  • Tasks | Level 3 | Lesson 8

    Java 集合
    第 3 级, 课程 8
    可用
  • Complex serialization to XML, JAXB (nested classes, etc.)

    Java 集合
    第 3 级, 课程 9
    "Okay, then. As you've probably already guessed, that wasn't everything." "Now I'll tell you about several other aspects of JAXB. But as we did with JSON, we will begin with collections." "When deserializing collections using JAXB, there is also uncertainty about which particular collection (ArrayList, LinkedList, Vector, etc.) to use for the List variable ..."
    可用
  • Tasks | Level 3 | Lesson 10

    Java 集合
    第 3 级, 课程 10
    可用
  • Learning to google | Level 3 | Lesson 11

    Java 集合
    第 3 级, 课程 11
    "Here are some exercises ..."
    可用
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CodeGym CodeGym 是一个从零开始学习 Java 语言编程的在线课程。本课程是初学者掌握 Java 语言的绝佳方式。它包含 1200 多个可即时验证的任务,以及基本范围内的 Java 基础理论。为了帮助你在教育上取得成功,我们实现了一组激励功能:小测验、编码项目以及有关高效学习和 Java 语言开发人员职业方面的内容。
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