OCJP(310-065)单项选择题每日一练(2019.10.14)

单项选择题
Given：What is the result？（）
A.A,B,C
B.B,C,A
C.Compilation fails
D.The code runs with no output
E.An exception is thrown at runtime
单项选择题
Click the Exhibit button.What is the result？（）
A.Value is： 8
B.Compilation fails.
C.Value is： 12
D.Value is： -12
单项选择题
Given：What is the result？（）
A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.
单项选择题
Given：What is the result？（）
A.Mr. John Doe
B.An exception is thrown at runtime.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 20.
单项选择题
Given：When line 14 is reached， how many objects are eligible for the garbage collector？（）
A.0
B.1
C.2
D.3
E.4