题目内容
(请给出正确答案)
[主观题]
阅读下列代码片段class InterestTest______ActionListener{public voidactionPerformed(ActionEv
阅读下列代码片段 class InterestTest______ActionListener{ public voidactionPerformed(ActionEventevent){ double interest=balance*rate/100; balance+=interest; NumberFormat format=Number Format.getCurrencylnstance(): System.out.print]b("balance="+formatter.format(balance)}; } Privatedoublerate; } 在下划线处,应填的正确选项是()。
A.Implementation
B.Inheritance
C.implements
D.extends
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