9-4.cs

java基础方面的一些实例代码

//程序9-4
using System;
namespace School
{
	public class Students
	{
		protected int studID;
		protected string studName;
		protected string department;
		Teacher TeacherA;  // 对象成员
		Courses CourseX;   // 对象成员
		public Students()
		{ }
		public Students(int id, string name,string cname)
		{
			studName=name;
			studID=id;
			CourseX=new Courses(cname);
		}
		public Students(int id, string name,int tID,string tname)
		{
			studID=id;
			studName=name;
			TeacherA=new Teacher(tID,tname);
			
		}
		public Students(int id, string name,Teacher tt)
		{
			studID=id;
			studName=name;
			TeacherA=tt;
			
		}
		public void TheStudent()
		{
			Console.WriteLine("ID: {0}, NAME: {1} ",studID,studName);
		}
		public void TheTeacher()
		{
			Console.WriteLine("The teacher is "+TeacherA.TheTeacher);
		}
		public void TheCourse()
		{
			Console.WriteLine("The course is "+CourseX.courseName);
		}
		public class Courses                      //嵌套类
		{	
			internal string courseName;
			public Courses()
			{ }
			public Courses(string cname)
			{
				courseName=cname;
			}
			public void CourseInfo()
			{
				Console.WriteLine("The new course is:"+courseName);	
			}
		}
	}
	public class Teacher       //非嵌套类
	{
		int teacherID;
		string teacherName;
		public string TheTeacher
		{
			get{return teacherName;}
		}
		public Teacher()
		{}
		public Teacher(int i, string name)
		{
			teacherID=i;  teacherName=name;
		}
	
	}
	public class Test
	{
		public static void Main()
		{
			Students StudentA=new Students(123,"Zhang san","C++ Programming");
			StudentA.TheStudent();
			StudentA.TheCourse();
			Students.Courses NewCourse=new Students.Courses("Visual C# Programming");
			NewCourse.CourseInfo();
			Students StudentB=new Students(0503111,"Alan",0911,"Bush");
			StudentB.TheStudent();
			StudentB.TheTeacher();
			Teacher Professor=new Teacher(0032, "Andrew");
			Students StudentC=new Students(789,"Davel",Professor);
			StudentC.TheStudent();
			StudentC.TheTeacher();
		}
	}
}