1、实验内容和答案实验三1. 编程实现数组的属性和方法a) getLength()b) Rankc) Lengthd) Sort()e) Copy() class Sample public static void Main() string str1 = abcdasdasda; Console.WriteLine(1) str1 = 0, str1); Console.WriteLine(str1.Length); Console.WriteLine(Copy.); string str2= String.Copy(str1); Console.WriteLine(2) str2= 0, st
2、r2; int, a = new int, 10, 11, 12 ,11,11,22; Console.WriteLine(a.Length); Console.WriteLine(a.GetLength(0); Console.WriteLine(a.Rank); Console.Read();2. 枚举类型题目class Program enum direction east = 1, north, south, west struct name public int number; public int distance; static void Main(string args) na
3、me q; q.number = 0; q.distance = 0; Console.WriteLine(请输入方向); q.number = Convert.ToInt32(Console.ReadLine(); Console.WriteLine(请输入距离); q.distance = Convert.ToInt32(Console.ReadLine(); direction number = (direction)q.number; Console.WriteLine(您输入的方向是0，您输入的距离是1,number ,q.distance); Console.Read(); 3.
4、编程实现：12+22+2002（实现过程中请使用foreach）class Program static void Main(string args) int p=new int200; int sum=0; for(int i=1;i=200;i+) pi-1=i*i; foreach (int i in p) sum +=i; Console.WriteLine(sum); Console.Read(); 4. 使用多维数组实现以下表格，统计每个系各个职称的平均教师人数，以及每个职称在各个系的平均教师人数。计算机英语中文思政教授4524讲师91089助教119710class Progra
5、m static void Main(string args) int, sum = 4, 5, 2, 4 , 9, 10, 8, 9 , 11, 9, 7, 10 ; string coureses = 计算机, 英语, 中文, 思政 ; string teacher = 教授, 讲师, 助教 ; int s = 0; Console.WriteLine(各职称tt平均人数); for (int i = 0; i sum.GetLength(0); i+) s = 0; for (int j = 0; j sum.GetLength(1); j+) s += sumi, j; sole.Wr
6、iteLine(0tt1,couresesi,s/sum.GetLength(1); Console.WriteLine(nn个系数tt平均人数 ); for (int i = 0; i sum.GetLength(1); i+) s = 0; for (int j = 0; j 0; i+) int a = Convert.ToInt16(Console.ReadLine(); if (a 0 & a 5) Console.WriteLine(请输入距离：); double b = Convert.ToDouble(Console.ReadLine(); t.x = (disrection)
7、a; t.y = b; Console.WriteLine(您所在的方位是：0，距离为：1KM !, t.x, t.y); i = -1; else Console.WriteLine(请重新输入一个数：); Console.ReadKey(); 2. 试试看：随机产生5个数，求其中最大值。(提示：Random number = new Random(); number.Next()产生下一个数)class Program static void Main(string args) int s = new int5;/s数组中存放着需要的数字 Random number = new Rando
8、m(); for (int i = 0; i 5; i+)/遍历数组显示结果 si = number.Next(); Console.WriteLine(si); int max = s0; for (int i = 1; i = max) max = si; Console.WriteLine(max); Console.ReadKey(); 3. 求一个3阶数字矩阵对角线的和，数字矩阵如下：1 2 34 5 67 8 9要求先显示这个矩阵，然后再显示结果，此例结果应该为25. class Program static void Main(string args) int i, j,sum=
9、0; int, a = 1, 2, 3 , 4, 5, 6 , 7, 8, 9 ; for ( i=0;i3;i+) for (j = 0; j 3; j+) Console.Write(0, ai, j); Console.Write( ); Console .Write (n); for (int z = 0; z 3; z+) sum = sum +az,z; sum = sum + a0, 2; sum = sum + a2, 0; Console.WriteLine(0,sum); Console.ReadKey(); 实验六1. 定义两个整型变量i=1,j=2，通过调用swap(i
10、nt x,int y)来交换这两个变量的值，使得在主函数中输出交换后的值：i=2,j=1.class swap public int i; public int j; public swap(int x, int y) j = x; i = y; public string Display() return String.Format(i=0,j=1, i, j); class Program static void Main(string args) swap swaps = new swap(1, 2); Console.WriteLine(swaps.Display(); Console
11、.ReadKey(); 2. 定义一个数组 sores = 95, 98, 89, 69, 100, 78, 60, 68, 49 ，通过调用MaxMinScore(int s)这个方法返回数组中的最大值和最小值，并在主函数中输出。 class sores public void MaxMinScore(int s, out int max , out int min ) max=s0; min=s0; for(int i=1;is.Length;i+) if (maxsi) min=si; class Program static void Main(string args) int sor
12、es = 95, 98, 89, 69, 100, 78, 60, 68, 49 ; sores a=new sores( ); int m, n; a.MaxMinScore(sores, out m, out n); Console.WriteLine(最高分为0, m); Console.WriteLine(最低分为0, n); Console.ReadKey(); 3. 已知整型数组a= 1, 2, 3 ;要求调用函数F（），输出a的长度以及a中的各个元素，当整型数组变为b=10,20,30,40,再次调用函数F（），输出b的长度以及b中的各个元素.(params运用)class Pr
13、ogram public static void F(params int args) Console.WriteLine(个数:0, args.Length); foreach (int i in args) Console.Write( 0, i); Console.WriteLine(); Console.ReadKey(); static void Main() int a = 1, 2, 3 ; F(a); F(10, 20, 30, 40); 4. 使用索引器初始化MyClass类中的public string FriendName = new string4这个字段以及输出这个数
14、组里的每一个元素。class Program static void Main(string args) Test t = new Test(); t0 = 小红; t1 = 小黑; t2 = 小绿; t3 = 小桃; for (int i = 0; i 4; i+) Console.WriteLine(ti); class Test public string myData = new string4; public string thisint index get return myDataindex; set myDataindex = value; class MyClass publ
15、ic string FriendName = new string4; public string thisint n get return FriendNamen; set FriendNamen = value; 试一试：试编程实现使用非整数下标访问索引器，在主函数中赋值如下：ttsom = 1234;并在控制台输出这个值。实验七1. 编写代码，定义一个基类MyClass,其中包含虚拟方法GetString().这个方法应返回存储在受保护字段myString中的字符串，该字段可以通过只写公共属性ContainedString来初始化。（初始化请通过控制台由用户来输入）2. 从类MyClas
16、s中派生一个类MyDerivedClass.重写GetString()方法，使用该方法的基类执行代码从基类中返回一个字符串，但在返回的字符串中添加文本”output from derived class”.class Program static void Main(string args) MyDerivedClass cc = new MyDerivedClass(); MyClass ss = cc; ss.ContainedString = Console.ReadLine(); Console.WriteLine(ss.GetString(); Console.Read(); cla
17、ss MyClass protected string myString; public virtual string GetString() return myString; public string ContainedString set myString = value; class MyDerivedClass : MyClass public override string GetString() return base.GetString() + (out put from derived class); 3. 利用多态性计算圆和三角形的面积以及周长。（半径、底以及高的值都通过实
18、例化派生类的同时来指定）class Program static void Main(string args) Circle cc = new Circle(1); Shape ss = cc; Console.WriteLine(圆面积:0,ss.GetArea(); Console.WriteLine(圆周长:0,ss.GetPerimeter(); Cmj ff = new Cmj(1,3); Smj mj = ff; Console.WriteLine(三角形面积:0,mj.Getmj(); Czc zz = new Czc(1,2,3); Szc zc = zz; Console.W
19、riteLine(三角形周长:0,zc.Getzc(); Console.ReadKey(); class Shape protected double radius; public Shape(double r) radius = r; public virtual double GetArea() return 0; public virtual double GetPerimeter() return 0; public virtual string Type get return Shape; public string Display() return String.Format(T
20、ype, GetArea(), GetPerimeter(); class Circle:Shape public Circle(double r) : base(r) public override double GetArea() return Math.PI * radius * radius; public override double GetPerimeter() return Math.PI * radius * 2; public override string Type get return 圆;class Smj protected double dd, hh; publi
21、c Smj(double d, double h) dd = d; hh = h; public virtual double Getmj() return 0; public virtual double Getzc() return 0; public virtual string Type get return Smj; public string Display() return String.Format(Type, Getmj(); class Cmj : Smj public Cmj(double d,double h):base(d,h) public override dou
22、ble Getmj() return dd * hh / 2; public override string Type get return 三角形;class Szc protected double aa, bb, cc; public Szc(double a, double b, double c) aa = a; bb = b; cc = c; public virtual double Getzc() return 0; public virtual string Type get return Smj; public string Display() return String.
23、Format(Type, Getzc(); class Czc : Szc public Czc(double a, double b, double c): base(a, b, c) public override double Getzc() return aa+bb +cc; public override string Type get return 三角周长;4. 利用抽象方法和抽象类编程实现圆和正方形的面积。（半径、长、宽的值通过实例化派生类的同时来指定）实验八1. 试着编程实现使用接口实现多态性：车辆有很多种，有自行车、三轮车、吉普车，当是自行车时，能够知道它有二个轮子，当是三
24、轮车时能够知道它有三个轮子，而当是吉普车时，有四个轮子。class Program public static void Main() cheliang cl = new bicyle(); cl.wheel(); cl = new sanluan(); cl.wheel(); cl = new jeep(); cl.wheel(); Console.ReadKey(); interface cheliang void wheel(); class bicyle:cheliang public void wheel() Console.WriteLine(this is two wheels)
25、; class sanluan : cheliang public void wheel() Console.WriteLine(this is three wheels); class jeep : cheliang public void wheel() Console.WriteLine(this is four wheels); 2. 定义一个泛型类栈Stack，包含四个成员：一个私有的数组items，一个pop方法，一个push方法实现进栈、出栈，一个构造函数，用来对数组items的大小进行初始化。接着在主函数中进行调用，第一次压栈：4，8，然后分别出栈，第二次压栈“aa”,”bb”
26、,然后分别出栈。class Program public static void Main() Stack stack = new Stack(100); stack.Push(2); stack.Push(4); Console.WriteLine(stack.Pop(); Console.WriteLine(stack.Pop(); Stack stack2 = new Stack(100); stack2.Push(aa); stack2.Push(bb); Console.WriteLine(stack2.Pop(); Console.WriteLine(stack2.Pop(); Conso
