Java程序设计

Peking University via Coursera

Go to Course: https://www.coursera.org/learn/java-chengxu-sheji

Introduction

### Course Review: Java程序设计 (Java Programming) **Overview** The "Java程序设计" course, offered through Coursera, is an excellent program designed for individuals looking to deepen their understanding of the Java programming language. With a structured approach to Java, the course covers essential topics such as language syntax, object-oriented programming principles, and practical applications including collections, threads, and graphical user interfaces (GUIs). Aimed at learners with a basic foundation in programming—ideally those familiar with C or C++—this course prepares students to write more considerable, well-structured applications with a focus on best practices in coding. **Syllabus Highlights** The syllabus is thoughtfully constructed, leading learners from foundational topics to more advanced concepts. Some of the key areas covered include: 1. **Java语言与面向对象的程序设计 (Java Language and Object-Oriented Programming)** Dive into the core principles of Java, understanding its robust features such as cross-platform compatibility, security, and stability. 2. **简单的Java程序 (Simple Java Programs)** Start with the basics, learning how to develop simple Java applications, understand the building blocks of Java programs, and grasp the essential input/output operations. 3. **数据运算、流控制和数组 (Data Operations, Flow Control, and Arrays)** Gain a solid foundation in Java's fundamental data types, variables, control statements, and arrays—crucial for writing effective Java code. 4. **类、包和接口 (Classes, Packages, and Interfaces)** Delve into object-oriented programming, exploring class definitions, inheritance, and the implementation of interfaces. 5. **深入理解Java语言 (In-depth Understanding of Java)** Explore more advanced features of Java, enhancing your understanding without overwhelming your learning process. 6. **异常处理 (Exception Handling)** Learn to write robust programs by effectively handling possible exceptions and errors that may arise during execution. 7. **工具类及常用算法 (Utility Classes and Common Algorithms)** Familiarize yourself with core classes such as Object, Math, and String, along with common data structures like lists, stacks, and queues. 8. **Java的多线程 (Java Multithreading)** Discover how to work with threads in Java, enabling your applications to handle multiple tasks simultaneously. 9. **流、文件及基于文本的应用 (Streams, Files, and Text-based Applications)** Understand input/output flows and file handling, essential for developing text-based Java applications. 10. **图形用户界面 (Graphical User Interfaces)** Get hands-on experience in creating interactive applications by learning about GUI components, layout management, and event handling. 11. **网络、多媒体、数据库编程 (Networking, Multimedia, and Database Programming)** Explore Java's capabilities in network programming, multimedia processing, and database connections. 12. **写好程序及一些深入话题 (Writing Good Programs and Advanced Topics)** Develop good programming habits by learning about refactoring, design patterns, and best practices for writing quality code. **Recommendation** I highly recommend the "Java程序设计" course for anyone looking to solidify their Java skills, particularly if you have a foundational understanding of programming. The course is well-structured, progressive in complexity, and includes practical examples that enhance learning. Moreover, the emphasis on best practices such as code quality, design patterns, and unit testing will not only equip you with technical proficiency but also prepare you for real-world programming challenges. Whether you're a budding developer eager to expand your skill set or an experienced programmer aiming to deepen your understanding of Java, this course offers valuable insights and practical knowledge that can significantly benefit your career. If you're ready to embark on your Java programming journey, this course is a commendable choice that promises to unlock a wide range of professional opportunities.

Syllabus

Java语言与面向对象的程序设计

Java语言是一种优秀的面向对象的语言，具有跨平台性、安全稳定、用途广泛、容易学习等特点。

简单的Java程序

通过一些最简单的Java程序，学习开发Java程序的基本步骤、Java程序的构成、基本输入输出编程及Java的开发工具的使用。

数据运算、流控制和数组

学习Java语言的基础知识，包括数据类型、变量、常量、表达式和流程控制语句、数组等。掌握这些基础知识，是编写正确Java程序的前提条件。

类、包和接口

从本章开始，进入面向对象的编程技术，将接触到Java最引人入胜之处。本章介绍Java中面向对象的程序设计的基本方法，包括类的定义、类的继承、包、访问控制、修饰符、接口等方面的内容。

深入理解Java语言

本章介绍Java语言中一些更深入的特性，通过本章的学习可以让读者对Java语言有进一步理解。对于时间不太充裕的读者，可以略过此章，而不会对后面各章的理解带来太大的影响；也可以在学过后面几章后，再回过头来学习本章

异常处理

为了加强程序的健壮性，必须考虑到可能发生的异常事件并做出相应的处理。本章学习Java语言的异常处理。

工具类及常用算法

本章首先介绍Java编程中经常要使用的结构和工具类，包括Java的语言基础类库，包括Object, Math和字符串。然后讨论一些常用数据结构的面向对象的实现，包括集合、列表、向量、链表、堆栈和队列。

Java的多线程

多线程是指同时存在几个执行体，按几条不同的执行路线共同工作的情况。Java语言的一个重要特点就是对多线程的支持，程序能同时处理多个任务。

流、文件及基于文本的应用

本章中介绍流式输入与输出及文件处理，并介绍基于文本的应用的程序中的一些问题，特别是正则表达式。

图形用户界面

本章将介绍图形用户界面的(GUI)基本组成和主要操作，包括AWT组件、布局管理、事件处理、绘制图形、显示动画、使用Swing组件等，在本章的最后还介绍了基于GUI的应用程序的一般建立方法，包括使用菜单、工具栏、剪贴板等。

网络、多媒体、数据库编程

Java语言在网络、多媒体、数据库等方面的应用十分广泛，本章中介绍Java在这些方面的编程方法。

写好程序及一些深入话题(*)

养成良好的编程习惯十分重要，这里介绍一些如何写好程序的一些经验，以及关于重构、设计模式、反射等方面的深入话题。