单项选择题
What is the result？（）
A. The code compiles and “s=” is printed.
B. The code compiles and “s=” + s）；
C. The code does not compile because Strings is not initialized.
D. The code does not compile because Strings cannot be referneed.
E. The code comiles， but a NullPointer Exception is thrown when toString is called.
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相关考题
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多项选择题
Whichthe twoarereservedwordsinJava？（）
A. run
B. import
C. default
D. implement -
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. -
问答题
What the output？（）
