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死磕java底层（三）—反射、动态代理和注解
source link: https://juejin.im/post/5a44c0ad518825455f2f96e5
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1.反射介绍 1.1反射 反射是指程序可以访问，检测，修改它本身状态或行为的一种能力。 1.2java的反射机制 java的反射机制是指在程序运行状态中，给定任意一个类，都可以获取到这个类的属性和方法；给定任意一个对象都可以调用这个对象的属性和方法，这种动态的
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