單項選擇題

Which statement is true？（）

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.

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多項選擇題

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

單項選擇題

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？（）

A.If the compile is successful， Utils.class is added to the source directory.
B.The compiler returns an invalid flag error.
C.If the compile is successful， Utils.class is added to the classes directory.
D.If the compile is successful， Utils.class is added to the bigProject directory.

Which statement is true？（）

你可能感興趣的試題

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？（）

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？（）

Which statement is true？（）

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？（）

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？（）