已知一个类Complex,并有下述语句:Complex c1; // 1 Complex c2(3, 5); // 2 Complex c3(c2); // 3 c2 = c1; // 4下述说法中正确的是 ____
已知一个类Complex,并有下述语句:Complex c1; // 1 Complex c2(3, 5); // 2 Complex c3(c2); // 3 c2 = c1; // 4下述说法中正确的是 ____
假设在程序中已经声明了Complex类,并建立了其对象c1和c2。若以下代码段都是语法正确的,则会调用拷贝构造函数的是( )。[br][/br](1)Complex c5; c5=c1;[br][/br](2)Complex c6=c1;[br][/br](3)Complex c3(2);[br][/br](4)Complex c4(c2); A: (2)(4) B: (1)(2)(4) C: (4) D: (1)(2)(3)(4)
假设在程序中已经声明了Complex类,并建立了其对象c1和c2。若以下代码段都是语法正确的,则会调用拷贝构造函数的是( )。[br][/br](1)Complex c5; c5=c1;[br][/br](2)Complex c6=c1;[br][/br](3)Complex c3(2);[br][/br](4)Complex c4(c2); A: (2)(4) B: (1)(2)(4) C: (4) D: (1)(2)(3)(4)
对于复数类Complex中的加法运算符,若以成员函数重载,则重载函数的声明 形式是____ A: Complex operator +(); B: void operator+ (Complex c1,Complex c2,Complex c3); C: Complex operator+(Complex c); D: Complex operator+(Complex c1,Complex c2);
对于复数类Complex中的加法运算符,若以成员函数重载,则重载函数的声明 形式是____ A: Complex operator +(); B: void operator+ (Complex c1,Complex c2,Complex c3); C: Complex operator+(Complex c); D: Complex operator+(Complex c1,Complex c2);
假设在程序中已经声明了Complex类,并建立了其对象c1和c2。若以下代码段都是语法正确的,则会调用拷贝构造函数的是( )[br][/br] (1)Complex c5; c5=c1;[br][/br](2)Complex c6=c1;[br][/br](3)Complex c3(2); (4)Complex c4(c2); A: (4)调用了拷贝构造函数 B: (1)(2)(4)都调用了拷贝构造函数 C: (2)(4)都调用了拷贝构造函数 D: (1)(2)(3)(4)都调用了拷贝构造函数
假设在程序中已经声明了Complex类,并建立了其对象c1和c2。若以下代码段都是语法正确的,则会调用拷贝构造函数的是( )[br][/br] (1)Complex c5; c5=c1;[br][/br](2)Complex c6=c1;[br][/br](3)Complex c3(2); (4)Complex c4(c2); A: (4)调用了拷贝构造函数 B: (1)(2)(4)都调用了拷贝构造函数 C: (2)(4)都调用了拷贝构造函数 D: (1)(2)(3)(4)都调用了拷贝构造函数
According the lecturer, persuasion is _____ and yet _____ in daily life. A: most complex; pervasive B: less complex; pervasive C: most pervasive; complex D: less pervasive; complex
According the lecturer, persuasion is _____ and yet _____ in daily life. A: most complex; pervasive B: less complex; pervasive C: most pervasive; complex D: less pervasive; complex
One way to classify emotions is by whether they are ( ) A: complex or negative B: positive or negative C: positive or complex D: simple or complex E: simple or negative
One way to classify emotions is by whether they are ( ) A: complex or negative B: positive or negative C: positive or complex D: simple or complex E: simple or negative
Python中表达式4*2的值为 ( )数据类型。 A: int B: float C: bool D: complex
Python中表达式4*2的值为 ( )数据类型。 A: int B: float C: bool D: complex
complex
complex
34.Actually, personalities are__________ than this. A: complex B: complexing C: more complex D: more complexly
34.Actually, personalities are__________ than this. A: complex B: complexing C: more complex D: more complexly
重载复数运算符+时,采用下面友元函数声明:friendComplexoperator+(Complex&c1,Complex&c2);为什么不能用于“实数+复数”?怎样改进才能适用?为什么?
重载复数运算符+时,采用下面友元函数声明:friendComplexoperator+(Complex&c1,Complex&c2);为什么不能用于“实数+复数”?怎样改进才能适用?为什么?