wcq3692012的专栏

One class per file. Class files can be organized into directories. Every file in a dir needs to declare package ‹dir name›; to make them into a package unit. The main program can refer to these cla

看了一篇文章，从后往前看的，zuo

打起这个念头是在做CC150时发现好多时候code太complex，不如java来的简单，早晚得学，所以就东一榔头西一棒子的看开了，也没怎么具

今天Sailesh那里有个xml文件需要读出来里面

JRE：java runtime environment，就是平常电脑没有java要下载的java程序，把我搞死的那个sas就是