【C#学习笔记】类构造函数使用

using System;

namespace ConsoleApplication
{
class stu
{
private string name;
private int age;

public stu()
{
name = "";
age = -1;
}

public stu(string n, int a)
{
name = n;
age = a;
}

public void Print()
{
Console.Write(name + ":" + age);
}
}

class Program
{
static void Main(string[] args)
{
stu a=new stu("xiaoming",10);
a.Print();

Console.WriteLine();
stu b = new stu();
b.Print();

Console.Read();
}
}
}