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 thecommand： java -classpath /test：/home/bob/downloads/*.jar games. Chess Bob’s CLASSPATH 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？（）
A./test/Chess.class B./home/bob/Chess.class C./test/games/Chess.class D./usr/lib/games/Chess.class E./home/bob/games/Chess.class
单项选择题 Given： What is the result？（）
单项选择题 Given： Which code fragment， inserted at the end of line 12， produces the output p is 420？（）
单项选择题 Given： When line 15 is reached， how many objects are eligible for the garbage collector？（）
