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new Income(3000)要怎么实现?

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水仙大葱

#1 Created at ... [Delete] [Delete and Lock User]

我见很多人都直接把练习中的new Income(3000) 删除。或新增一个实现Income接口的类,然后再实例。

能不能直接new Income(3000){    }带参数的匿名类呢?

C-Rodger

#2 Created at ... [Delete] [Delete and Lock User]

接口无法实例化吧


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