单项选择题

A. test Chess.classB. home bob Chess.classC. test games……

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

<上一题目录下一题>

热门试题

单项选择题Given： What is the result？（）

A.r， t， t，
B.r， e， o，
C.Compilation fails.
D.An exception is thrown at runtime.

单项选择题Given： Which code fragment， inserted at the end of line 12， produces the output p is 420？（）

A.p.setWeight（420）；
B.p.changePayload（420）；
C.p = new Payload（420）；
D.Payload.setWeight（420）；
E.p = Payload.setWeight（420）；

单项选择题Given： When line 15 is reached， how many objects are eligible for the garbage collector？（）

A.0
B.1
C.2
D.3
E.4

单项选择题Given： Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line23 executes？（）

A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booch is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booch are eligible for garbage collection.

多项选择题Click the Exhibit button. Which three code fragments， added individually at line 29， produce the output 100？（）

A.n = 100；
B.i.setX（ 100 ）；
C.o.getY（）.setX（ 100 ）；
D.i = new Inner（）； i.setX（ 100 ）；
E.o.setY（ i ）； i = new Inner（）； i.setX（ 100 ）；
F.i = new Inner（）； i.setX（ 100 ）； o.setY（ i ）；