单项选择题
已知: 则输出为()?
A.1 B.2 C.3 D.编译错误
A.public doublem(); B.static voidm(){} C.abstrac tdoublem(); D.protected voidm(){}
A.paint(Graphicsg) B.paintComponent(Graphicsg) C.print(Graphicsg) D.repaint(Rectangler)
已知: 则输出为()
A.GraduateStudent B.Student C.Person D.Object
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