code
#include <iostream>
using namespace std;
int main()
{
int number1 = 65;
double number2 = 23.4;
//괄호안에 자료형을 넣어 명시적으로 변환하는 방법이다.
int number3 = int(number2);
double number4 = double(number1 / number2);
char ch = char(number1);
cout << "number1 : " << number1 << endl;
cout << "number2 : " << number2 << endl;
cout << "number3 : " << number3 << endl;
cout << "number4 : " << number4 << endl;
cout << "ch : " << ch << endl;
return 0;
}