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This repository has been archived by the owner on May 3, 2024. It is now read-only.
https://xqm32.github.io/posts/java-course-knowledge-points/
注意:本文是合肥工业大学软件工程专业《Java 语言程序设计》课程的知识点总结,基于课程老师给出的知识点总结,笔者不保证内容的准确性,请谨慎参考。
若文中存在任何问题或有任何疑问请前往 Issue 页面。
概述 Java 发展历史:
① 1990 年代初由 Sun 公司开发,最初被命名为 Oak,用于家用电器;
② 1995 年,Sun 改造了 Oak,以 Java 的名称正式发布,广泛应用于互联网。
J2ME、J2SE、J2EE:
J2ME:Java 2 Platform, Micro Edition,应用于嵌入式(embedded)及移动设备(mobile device);
J2SE:Java 2 Platform, Standard Edition,应用于桌面(desktop)及服务器(server)环境;
J2EE:Java 2 Platform, Enterprise Edition,应用于分布式计算(distributed computing)及网络服务(web services),是 J2SE 的拓展。
Java 语言的特点:
开放、简单、健壮、安全、面向网络、完全的面向对象编程(OOP)、跨平台(WORA);
WORA:Write One, Run Anywhere
Java 与 C++ 的比较:
① Java 无指针;
② Java 无结构体和联合体;
③ Java 无运算符重载;
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