问题
填空题
类通过______与外界发生关系。
答案
参考答案：接口
解析： 数据以及对数据的操作形成对象，对同类对象抽象出其共性，形成类。类是通过接口与外界发生关系的。
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类通过______与外界发生关系。
参考答案：接口
解析： 数据以及对数据的操作形成对象，对同类对象抽象出其共性，形成类。类是通过接口与外界发生关系的。
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| We were having such bad weather in London that my wife suggested spending Christmas week in 1 Italian seaside hotel which we visited last summer. I thought this idea over for a day or two and then 2 to go. When I asked my brother 3 I could borrow some money from him, he advised me against going 4 at that time of year but finally 5 help us when I promised faithfully 6 him back the money from my next month's salary (工资). The manager of a local tourist office (旅游公司) 7 us some advice and useful 8 about our journey, hotels and the type of clothes to take with us. "You'd better 9 London at least two days before Christmas if you can, if not earlier. And I hope you enjoy 10 very much." | ||||
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