《java编程思想》读书笔记(13)
子类覆写父类的方法时,如果父类的方法进行了异常声明了,子类可以不理会这个声明,不需要进行异常声明。
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2.如果你先用父类catch掉了异常,那子类异常的catch块就不能到达,编译器就会报错:
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这种用法编译器是会报错的,应该用防止父类屏蔽掉子类异常处理。
作者:洞庭散人
出处:http://phinecos.cnblogs.com/
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posted on 2006-06-16 19:09 Phinecos(洞庭散人) 阅读(384) 评论(0) 编辑 收藏 举报