?? list0605.cpp
字號:
// Demonstrates compiler errors
// This program does not compile!
#include <iostream> // for cout
class Cat
{
public:
Cat(int initialAge);
~Cat();
int GetAge() const; // const accessor function
void SetAge (int age);
void Meow();
private:
int itsAge;
};
// constructor of Cat,
Cat::Cat(int initialAge)
{
itsAge = initialAge;
std::cout << "Cat Constructor\n";
}
Cat::~Cat() // destructor, takes no action
{
std::cout << "Cat Destructor\n";
}
// GetAge, const function
// but we violate const!
int Cat::GetAge() const
{
return (itsAge++); // violates const!
}
// definition of SetAge, public
// accessor function
void Cat::SetAge(int age)
{
// set member variable its age to
// value passed in by parameter age
itsAge = age;
}
// definition of Meow method
// returns: void
// parameters: None
// action: Prints "meow" to screen
void Cat::Meow()
{
std::cout << "Meow.\n";
}
// demonstrate various violations of the
// interface, and resulting compiler errors
int main()
{
Cat Frisky; // doesn't match declaration
Frisky.Meow();
Frisky.Bark(); // No, silly, cat's can't bark.
Frisky.itsAge = 7; // itsAge is private
return 0;
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -