Given：

When line 14 is reached， how many objects are eligible for the garbage collector？（）

单项选择题Given： What is the result？（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x = 6 main x = 6
D.doStuff x = 5 main x = 5
E.doStuff x = 5 main x = 6

单项选择题Given： and two separate command line invocations： java Yippee java Yippee 1 2 3 4 What is the result？（）

A.No output is produced.1 2 3
B.No output is produced.2 3 4
C.No output is produced.1 2 3 4
D.An exception is thrown at runtime.1 2 3

单项选择题Given： What is the result？（）

A.81
B.82
C.91
D.92

单项选择题Whichstatementistrue？（）

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？（）

A.java MainClass if run from the /apps directory
B.java com.company.application.MainClass if run from the /apps directory
C.java -classpath /apps com.company.application.MainClass if run from any directory
D.java -classpath . MainClass if run from the /apps/com/company/application directory
E.java -classpath /apps/com/company/application：. MainClass if run from the /apps directory