(a class is designed with a single, well-focoused purpose. 应该不止这点)
command n. 命令,指令
[k.'mɑ:nd](指挥, 控制) (command-line 命令行)
Comments [java]文本注释
['k.ments]
compile [java] v.编译
[k.m'pail]' Compilation n.编辑[,k.mpi'lei..n]
const (保留字)
constant n. 常量, 常数, 恒量
['k.nst.nt]
continue (关键字)
coupling耦合,联结
['k.pli.]