第九章单元测试
- 在运算符重载中，operator++(int); 实现前置++的重载。（ ）
- 双目运算符用成员函数重载时参数表中只需要一个参数。（ ）
- 类的转换构造函数可以将其它类型转换为本类对象。 （ ）
- 假设OneClass为一个类，则该类的拷贝初始化构造函数的声明语句为 （ ）
- What is a binary operator? （ ）
- In the case of friend operator overloaded functions how many maximum object arguments a unary operator overloaded function can take? （ ）
- How many parameters does a conversion operator may take? （ ）
- The copy constructors can be used to ________ （ ）
A:对 B:错
答案:错
A:错 B:对
A:对 B:错
A:OneClass& (OneClass p); B:OneClass(OneClass *p); C:OneClass(OneClass p); D:OneClass(OneClass & p);
A:Operator that performs its action on any number of operands B:Operator that performs its action on two operand C:Operator that performs its action on a single operand D:Operator that performs its action on three operand
A:2 B:3 C:1 D:0
A:2 B:1 C:as many as possible D:0
A:Copy an object so that it can be passed to a class B:Copy an object so that it can be passed to a function C:Copy an object for type casting D:Copy an object so that it can be passed to another primitive type variable
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