Given:

If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?（）

单项选择题Given: What is the result when method testIfA is invoked?（）

A.True
B.Not true
C.An exception is thrown at runtime.
D.Compilation fails because of an error at line 12.
E.Compilation fails because of an error at line 19.

单项选择题Given: What is the result?（）

A.2
B.24
C.234
D.246
E.2346
F.Compilation fails.

单项选择题Given: What is the result?（）

A.w-f
B.f-p w-f
C.w-f b-f
D.f-p w-f b-f
E.Compilation fails.
F.An exception is thrown at runtime.

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? （）

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.

单项选择题Click the Exhibit button. What is the output of the program shown in the exhibit?（）

A.300-100-100-100-100
B.300-300-100-100-100
C.300-300-300-100-100
D.300-300-300-300-100