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13. 静态对象 13.1 Static in C++ Two basic meanings: Static storage allocated once at a fixed address Visibility of a name internal linkage Don't use stati 阅读全文
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12 拷贝构造 Create a new object from an existing one For example, when calling a function // Currency as pass-by-value argument void func(Currency p) { co 阅读全文
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11. 多态 11.1 Conversions Public Inheritance should imply substitution If B isa A, you can use a B anywhere an A can be used. 示例： #include <iostream> us 阅读全文
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10. 引用 References are a new data type in C++; Local or global variables For ordinary variables, the initial value is required In parameter lists and m 阅读全文