本内容遵循CC 4.0 BY-SA版权协议 本文系统讲解Java面向对象中继承与多态的核心机制：继承通过extends实现代码复用，涉及super关键字、构造方法调用顺序、protected访问控制及继承限制；多态依赖 ...

abstract continue for new switch assert default goto* package synchronized boolean do if private this break double implements protected throw byte else import public throws case enum instanceof return ...

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