#이 글은 인덕대학교 한성현 교수님의 자료를 변형한 자료임을 알립니다
| #include <iostream> using namespace std; void meet() { cout << "반가워"; } int main() { meet(); return 0; } |
#include <iostream> using namespace std; void display(); int main() { display(); return 0; } void display() { cout << "안녕"; } |
| #include <iostream> using namespace std; void double_number(double x) { cout << x * 2; } int main() { double_number(3); return 0; } |
#include <iostream> using namespace std; void double_number(double x); int main() { double_number(3); return 0; } void double_number(double x) { cout << x * 2; } |
| #include <iostream> using namespace std; int double_number(double x) { return x * 2; } int main() { int x; double_number(3); x = double_number(3); cout << x << endl; //6 cout << double_number(3) << endl; //6 return 0; } |
#include <iostream> using namespace std; int double_number(double x); int main() { cout << double_number(3); return 0; } int double_number(int x) { return x * 2; } |
| #include <iostream> using namespace std; int add(int x, int y) { return x + y; } int main() { int a; a = add(3, 3); cout << a; return 0; } |
#include <iostream> using namespace std; int add(int x, int y); int main() { int a; a = add(3, 3); cout << a; return 0; } int add(int x, int y) { return x + y; } |
| #include <iostream> using namespace std; char vending(double x) { if (x == 1.5) return 'A'; else return 'B'; } int main() { char x; x = vending(1.5); cout << x; return 0; } |
#include <iostream> using namespace std; char vending(double x); int main() { char x; x = vending(1.5); cout << x; return 0; } char vending(double x) { if (x == 1.5) return 'A'; else return 'B'; } |
| #include <iostream> using namespace std; const char* vending(double x) { if (x == 1.5) return "코코아"; else return "유자차"; } int main() { cout << vending(1.5); return 0; } |
#include <iostream> using namespace std; char vending(int y) { if (y == 2) return 'A'; else return 'B'; } int main() { cout << vending(1); return 0; } |
| #include <iostream> using namespace std; const char* vending(int x) { if (x == 1) return "코코아"; else return "유자차"; } int main() { cout << vending(2); return 0; } |
#include <iostream> #include <string> using namespace std; string vending(int x) { if (x == 1) return "코코아"; else return "율무차"; } int main() { cout << vending(2); return 0; } |
| #include <iostream> using namespace std; class Integer { private: int val; public: int getVal() { return val; } void setVal(int ii) { val = ii; } }; int main() { Integer val; val.setVal(10); cout << val.getVal() << endl; } |
#include <iostream>
using namespace std;
class Dog {
private:
int age;
public:
int getAge();
void setAge(int a);
};
int Dog::getAge()
{
return age;
}
void Dog :: setAge(int a)
{
age = a;
}
int main()
{
Dog happy;
happy.setAge(3);
cout << happy.getAge();
return 0;
}
나로 클래스 만들어 보기
#include <iostream>
using namespace std;
class Person {
private:
string name;
int age;
double weight;
public:
string getName()
{
return name;
}
void setName(string a)
{
name = a;
}
int getAge()
{
return age;
}
void setAge(int a)
{
age = a;
}
double getWeight();
void setWeight(double a);
};
double Person::getWeight()
{
return weight;
}
void Person::setWeight(double a)
{
weight = a;
}
int main()
{
Person hyo;
hyo.setAge(20);
hyo.setName("hyoeun");
hyo.setWeight(55);
cout << hyo.getAge() << endl;
cout << hyo.getName() << endl;
cout << hyo.getWeight() << endl;
return 0;
}