A.getByName(String hostname)
B.getAllByName(String hostname)
C.getByName(String IP)
D.getLocalHost(String hostname)
A.public final writeLog(String msg)
B.public final abstract void writeLog(String msg)
C.public static final void writeLog(String msg)
D.public static abstract void writeLog(String msg)
abstract class Something {
private abstract String doSomething ();
}
这好像没什么错吧?
public class Something {
void doSomething () {
private String s = "";
int l = s.length();
}
}
有错吗?