单项选择题 A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where theold one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java-classpath /test:/home/bob/downloads/*.jar games.Chess BobsCLASSPATH is set (at login time) to/usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?（）

单项选择题 Given classes defined in two different files: What is required at line 5 in class SomeApp to use the process method of BitUtils?（）

单项选择题 Given: What is the result?（）