Jack often sends his homework to his teacher email. [ ]
A. with
B. for
C. by
D. in
答案:C
J2SDK的命令可以分为6类:基本命令、RMI远程方法调用命令、______、安全控制命令、Java IDL和RMI-IIOP命令、Java Plug-in命令。
火山碎屑分类:岩屑()、晶屑、玻屑。