目录使用属性封装器来完美创建UserDefaults封装器什么是属性封装器？什么是UserDefault封装器将属性封装器进行通用化处理存储自定义对象使用属性封装器来完美创建UserDefaults封装器
I want to use JPA for my persistence layer of my Java Desktop Application but I have the similar problem as describe at JPA - Entity design problem
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