题目内容

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
F. doStuff x=6，main x=5

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Given： What is the result？（）

A. Compilation fails due to an error in line 23.
B. Compilation fails due to an error in line 29.
C. A ClassCastException occurs in line 29.
D. A ClassCastException occurs in line 31.
E. The value of all four objects prints in natural order.

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What is true regarding a transaction executed in Automatic Undo Management mode？（）

A
B
C
D

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Given a class Repetition： Which code should be inserted at line 1 of Demo.java to compile and run Demo to print "pizzapizza"？（）

A. import utils.*；
B. static import utils.*；
C. import utils.Repetition.*；
D. static import utils.Repetition.*；
E. import utils.Repetition.twice（）；
F. import static utils.Repetition.twice；

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What is the result？（）

A. 420 is the output.
B. An exception is thrown at runtime.
C. All constructors must be declared public.
D. Constructors CANNOT use the private modifier.
E. Constructors CANNOT use the protected modifier.

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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 F. doStuff x=6，main x=5

Given： What is the result？（）

What is true regarding a transaction executed in Automatic Undo Management mode？（）

Given a class Repetition： Which code should be inserted at line 1 of Demo.java to compile and run Demo to print "pizzapizza"？（）

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
F. doStuff x=6，main x=5