语句是啥? 语句就是程序的基本结构。程序是一个人,语句就是人的身体。而写程序的人就是上帝造人的过程。
break在swich语句中很严谨
- using System;
- public class GradeLevel{
- public static void Main( ){
- Console.Write("Input Grade Level: ");
- char grade = (char) Console.Read();
- switch( char.ToUpper( grade ) ){
- case 'A' :
- Console.WriteLine(grade+" is 85~100");
- break;
- case 'B' :
- Console.WriteLine(grade+" is 70~84");
- break;
- case 'C' :
- Console.WriteLine(grade+" is 60~69");
- break;
- case 'D' :
- Console.WriteLine(grade+" is <60");
- break;
- default :
- Console.WriteLine("input error");
- break;
- }
- }
- }
break控制了语句的执行