单项选择题
What is the result？（）
A. foo has the value of “”
B. foo hast he falue of null.
C. foo has the value of “blue”
D. foo has the value of “green”
E. An exception is thrown.
F. The code will not compile.
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相关考题
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问答题
What the output？（） -
单项选择题
What is the result？（）
A. The program runs and prints nothing.
B. The program runs and prints “Equal”.
C. An error at line 5 cause compilation to fail.
D. The program runs but aborts with an exception. -
单项选择题
What is the result？（）
A. The program runs and prints “0”
B. The program runs and prints “1”
C. The program runs but aborts with an exception.
D. An error “possible undefined variable” at line 4 causes compilation to fail.
E. An error “possible undefined variable” at line 9 cause compilation to fail.
