xiaozhuaizhuai的专栏

(1) bin文件夹：存放jdk附带的实用工具        javac.exe  Java语言编译器，它负责将Java源代码(.java文件)便以为字节码(.class文件)文件。        java.exe  Java语言解释器，它负责执行Java字节码文件。        appletviewer.exe  Java Applet小程序查看器。        javado

(1) 开始配置环境变量,配置环境变量的位置        我的电脑-属性-高级-环境变量(2) 配置变量        1. 新建 JAVA_HOME         JDK的安装路径        2.设置PATH  已经存在，可以直接添加        %JAVA_HOME%/bin;%JAVA_HOME%/jre/bin        3.新建 CLASSPATH

Java Language KeywordsHeres a list of keywords in the Java programming language. You cannot use any of the following as identifiers in your programs. The keywords const and goto are reserved, even