单项选择题
A.A class’s finalize（） method CANNOT be invoked explicitly.
B.super.finalize（） is called implicitly by any overriding finalize（） method.
C.The finalize（） method for a given object is called no more than once by the garbage collector.
D.The order in which finalize（） is called on two objects is based on the order in which the two objects became finalizable.
多项选择题 Given： And MainClass exists in the /apps/com/company/application directory. Assume the CLASSPATH environment variable is set to "." （current directory）. Which two java commands entered at the commandline will run MainClass？（）
单项选择题 Given the following directory structure： bigProject |--source ||--Utils.java| |--classes |-- And the following command line invocation： javac -d classes source/Utils.java Assume the current directory is bigProject，what is the result？（）
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 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？（）