A.-1
B.255
C.127
D.Compilationwillfail.
E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.
正确答案：参考D
![publicclassTest{2.publicstaticvoidmain(String[]args){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueo](http://www.mshxw.com/aiimages/31/766295.png "publicclassTest{2.publicstaticvoidmain(String[]args){3.unsignedbyteb=0;4.b－－;5.6.}7.}Whatisthevalueo")
A.-1
B.255
C.127
D.Compilationwillfail.
E.Compilationwillsucceedbuttheprogramwillthrowanexceptionatline4.
正确答案：参考D
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