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  >  [单项选择题] 阅读下列代码片段 class InterestTest______ActionListener public void actionPerformed(ActionEvent event) double interest=balance*rate/100; balance+=interest; NumberFormat format=NumberFormat. getCurrencyInstance(); System. out. print]b("balance="+formatter. format(balance)); Private double rate; 在下画线处,应填的正确选项是______。 A.Implementation B.Inheritance C.implements D.extends
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发布时间:2022-07-01

[单项选择题] 阅读下列代码片段
class InterestTest______ActionListener
public void actionPerformed(ActionEvent event)
double interest=balance*rate/100;
balance+=interest;
NumberFormat format=NumberFormat. getCurrencyInstance();
System. out. print]b("balance="+formatter. format(balance));

Private double rate;

在下画线处,应填的正确选项是______。


A.Implementation
B.Inheritance
C.implements
D.extends

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