第02讲：方法与方法重载 源码

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace Demo{ class Program { static void Main(string[] args) { Calculator objCal = new Calculator(); int result1 = objCal.Add(10, 20); double result2 = objCal.Sub(20.09, 12.9); int result3 = Calculator.Add(10, 24, 55); Console.WriteLine("result1={0}", result1); Console.WriteLine("result2={0}", result2); Console.WriteLine("result3={0}", result3); Console.ReadLine(); } //static void Main(string[] args) //{ // Student objStudent = new Student(); // objStudent.StudentName = "小王"; // objStudent.StudentId = 1008; // Student objStudent1 = new Student(1002, "刘超"); // Student objStudent3 = new Student(1002, "刘超", 20); // Console.WriteLine("姓名={0} 学号={1}", objStudent1.StudentName, objStudent1.StudentId); // Console.WriteLine("姓名={0} 年龄={1}", objStudent3.StudentName, objStudent3.Age); // Console.ReadLine(); //} //static void Main(string[] args) //{ // for (int a = 1; a <= 9; a )//外循环：控制函数 // { // for (int b = 1; b <= a; b ) // { // Console.Write("{0}*{1}={2}\t", a, b, a * b); // } // Console.WriteLine(); // } // Console.ReadLine(); //} }}