Merge pull request #2 from ds-sww/master

...
size,isEmpty,get,add,remove
fix bugs of remove()
first homework
first commit
修改了文件目录
抽象出了checkSize方法
发现remove忘记返回值了...
Create ArrayList1.cpp
assignment2 Problems
test branch
Merge branch 'master' of https://github.com/ds-sww/codebase
13307130255_LINCHUMING_assignment1
submit assignment0
代码不放那么紧密
删无用代码
Merge pull request #94 from f0rward/assignment0

13307130195_CHENSHAOXIANG_assignment0
submit assignment2
init assignment1
clear assignment1