问题:[选择题]
A.FlowLayout(FlowLayouRIGHT,20,40)
B.FlowLayout(FlowLayouLEF
C.FlowLayout()
D.FlowLayout(20,40)
● 参考解析
FlowLayout的构造方法主要有3种,它们分别是:FlowLayout(FIowLayout.RIGHT,20,40)、FlowLayout(FlowLayout.LEFT)和FlowLayout()。