阅读下列代码片段Class InterestTest________ActionListener{Public void actionPerformed (ActionEvent event) {Double interest = balance * rate/100;Balance += interest;Number Format format =Number Format.getCurrencyInstance ();System.out.printlb{ “ balance = ” +Formatter.format (balance)};}Private double rate;}在下划线处，应填的正确选项是A ） ImplementationB ） InneritanceC ） implementsD ） extends
阅读下列代码片段
Class InterestTest________ActionListener{
Public void actionPerformed (ActionEvent event) {
Double interest = balance * rate/100;
Balance += interest;
Number Format format =
Number Format.getCurrencyInstance ();
System.out.printlb{ “ balance = ” +
Formatter.format (balance)};
}
Private double rate;
}
在下划线处，应填的正确选项是
A ） Implementation
B ） Inneritance
C ） implements
D ） extends
相关考题：
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阅读下列代码片段 class InterestTest——ActionListener{ public"void actionPerformed(ActionEvent event){ double interest=balance*rate／1 00 ； balance+=interest； NumberFormat format=NumberFormat．getCur- rencyInstance； 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.ImplementationB.InheritanceC.implementsD.extends
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