Is it better to use multiple javabeans that would represent different management levels of Approvers for a subordinate who requested a training class or should I have one javabean that represents an Approver object but then set a property that describes the level of this Approver?Is it better to use multiple javabeans that wou
阅读背景：
我应该使用Javabean属性来设置特性还是使用多个javabeans？
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