C++ 调用内置数据类型的构造函数

#include<iostream>

using namespace std;

class MyClass
{
	const int m, n;
public:
	MyClass(int i, int j):m(i),n(j){}
	void print()
	{
		cout<<"m= "<<m<<", n= "<<n<<endl;
	}
};

int main()
{
	MyClass a(20, 10);
	a.print();
}