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Description: 简单Java程序调试
1.1 实验目的
(1）掌握Java应用程序和Java Applet程序的调试步骤；
(2）了解Java程序的基本组成结构；
(3）了解字符方式和图形方式下数据的输出方法。
1.2 知识要点
1.2.1 Java编程运行环境的安装
（1）在http://java.sun.com根据自己的操作系统下载安装程序，按安装说明进行安装。
（2）设置环境变量。以WinXP为例，在“我的电脑”上点右键，打开属性→高级→环境变量→系统变量，选中变量path进行编辑，在后面加入“ C:\\j2sdk1.4.2\\bin”，注意：这里的目录C:\\j2sdk1.4.2是你安装Java的目录。
（3）打开命令提示符窗口，输入javac命令按回车，如果出现命令的使用参数说明，则表示设置正确，如果出现非法命令的错误提示，则应该重新设置。
1.2.2 Java程序调试步骤
Java程序的调试分编辑、编译、运行3个步骤，见图1-1
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Description: JAVA API官方文档中文版，需要的朋友请不要错过，多多支持！
Sun 公司提供的Java API Docs是学习和使用Java语言中最经常使用的参考资料之一。但是长期以来此文档只有英文版，对于中国地区的Java开发者来说相当的不便。目前Sun 公司正在组织多方力量将此文档翻译成中文，并于2005年10月31日在Sun 中国技术社区（http://gceclub.sun.com.cn/）正式发布第一批中文版Java API文档（包括java.lang和java.util类库API 文档的中文版）。经过将近10个月的努力，目前我们已经将Java SE 5.0的全部API文档中文化。开发人员可以通过Sun 中国技术社区的网站在线浏览相关文档，也可以将全部文档下载到本地以方便检索和使用。
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