单项选择题
A.public doublem(); B.static voidm(){} C.abstrac tdoublem(); D.protected voidm(){}
在JPanel中绘图应覆盖哪个方法()A.paint(Graphicsg)B.paintComponent(G...
单项选择题在JPanel中绘图应覆盖哪个方法()
A.paint(Graphicsg) B.paintComponent(Graphicsg) C.print(Graphicsg) D.repaint(Rectangler)
已知: 则输出为()A.GraduateStudentB.StudentC.PersonD.Object
已知: 则输出为()
A.GraduateStudent B.Student C.Person D.Object
已知: 该输出是?()A.cccccB.cbcbbC.cbcccD.cbcbc
已知: 该输出是?()
A.ccccc B.cbcbb C.cbccc D.cbcbc