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  • 2026/4/27 17:53:16

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? ÊÇÔÚ´´½¨¶ÔÏóʱ×Ô¶¯Ö´ÐеÄÀà·½·¨¡£ ? ͨ³£ÓÃÓÚ¶Ô³ÉÔ±±äÁ¿½øÐгõʼ»¯¡£

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? Îö¹¹º¯ÊýÒ²½ö½öÖ´ÐÐÒ»´Î£¬Í¨³£ÓÃÓÚ¶ÔÏó±»Ïú»ÙǰµÄ¡°É¨Î²¡±¹¤×÷¡£

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? ÊÇÒ»ÖÖÌØÊâµÄÀà³ÉÔ±£¬Ä¿µÄÊDZ£»¤×ֶΡ¢¶Ô×ֶεĸ³ÖµºÍȡֵ½øÐÐÏÞ¶¨¡£ ´ð£ºÊôÐÔÊÇC#ÖеÄÒ»ÖÖÓï·¨½á¹¹¡£ÈçÏ£º

private int _ÄêÁ䣻 public intÄêÁä

{ set { if (value > 0){ _ÄêÁä= value;} } get{ return _ÄêÁä; } }

8£®ÎªÊ²Ã´Ê¹ÓÃÊôÐÔ£¿

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´ð£ºË÷ÒýÆ÷ÊÇC#ÖеÄÒ»ÖÖÓï·¨½á¹¹¡£ÈçÏ£º

[·ÃÎÊÐÞÊηû] Êý¾ÝÀàÐÍthis[Êý¾ÝÀàÐͱêʶ·û] { get{}; //get·ÃÎÊÆ÷

set{}; //set·ÃÎÊÆ÷ }

12. Ë÷ÒýÆ÷µÄ×÷ÓÃÊÇʲô£¿

´ð£º×÷ÓãºË÷ÒýÆ÷ÊÇʵÏÖ·â×°µÄÒ»ÖÖ·½Ê½£¬Æðµ½±£»¤Àà³ÉÔ±µÄ×÷Óã»Í¬Ê±Ê¹ÓÃÆðÀ´¼òµ¥

·½±ã£ºÎª¼¯ºÏ¶ÔÏó´´½¨Ë÷ÒýÆ÷ºó£¬¿ÉÒÔ¶ÔÀà¶ÔÏóÖ¸¶¨Ë÷ÒýÀ´Ö±½Ó·ÃÎÊÊý×éÔªËØ¼´ÓÃË÷ÒýÊý×éµÄ·½Ê½Ë÷Òý¶ÔÏó¡£

13. Ë÷ÒýÆ÷¿ÉÒÔÖØÔØÂ𣿿ÉÒÔΪË÷ÒýÆ÷Ö¸¶¨¼¸¸öË÷ÒýÆ÷²ÎÊý£¿

´ð£ºË÷ÒýÆ÷¿ÉÒÔÖØÔØ¡£¿ÉÒÔΪË÷ÒýÆ÷ÖÁÉÙÖ¸¶¨Ò»¸öË÷ÒýÆ÷²ÎÊý¡£ 14£®Ê²Ã´Ê±ºòʹÓÃÊôÐÔ£¬Ê²Ã´Ê±ºòʹÓÃË÷ÒýÆ÷£¿

´ð£ºÀàÖÐÓгÉÔ±±äÁ¿¾ÍÓ¦¸ÃÓÐÊôÐÔ¡£µ±³ÉÔ±±äÁ¿ÊǼ¯ºÏÀàÐ͵Äʱºò£¬¿ÉÒÔ´´½¨Ë÷ÒýÆ÷¡£ Î壮³ÌÐòÔĶÁÌâ

1£®ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìÀà¶ÔÏó

public class TPoint

{ int x, y; public void setpoint(int x1,int y1) { x = x1; y = y1; }

public void dispoint()

{ Console.WriteLine(\µã£º({0},{1})\ } }

class Program

{ static void Main(string[] args) { TPoint p1, p2; p1= new TPoint(); p1.setpoint(2, 6); p2 = p1; p2.setpoint(8, 3);

p1.dispoint(); p2.dispoint(); } }

µã£º(8,3) µã£º(8,3)

2£®ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ì·½·¨²ÎÊý´«µÝ

class Program

{ static void f1(ref int a, ref int b, out int sum, out int sub) { int t; t=a; a=b; b=t;

sum = a + b; sub = a - b; }

public static void Main(string[] args) { int x=10, y=20,xx=30,yy=40; f1(ref x, ref y, out xx, out yy); Console.WriteLine(\ } } x=20,y=10,xx=30,yy=10

3£®ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìË÷ÒýÆ÷

public class Weeks

{ string[] week= { \ public string this[int i]

{ get

{ if (i >= 0 && i< 7) return week[i]; else return week[0]; } set

{ if (i >= 0 && i< 7) week[i] = value; } } }

class Program

{ static void Main()

{ Weeks w = new Weeks();

w[0] = \ÐÇÆÚÌì\ w[1] = \ÐÇÆÚÒ»\

Console.WriteLine(w[2]); Console.WriteLine(w[7]); }

}

Tues ÐÇÆÚÌì

4£®ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìίÍÐʹÓÃ

delegate void mydelegate(double x, double y); class MyDeClass

{ public void add(double x, double y)

{ Console.WriteLine(\ public void sub(double x, double y)

{ Console.WriteLine(\ }

class Program

{ static void Main(string[] args)

{ MyDeClass obj = new MyDeClass(); mydelegate p;

p = obj.add; p += obj.sub; p(10, 20); } } 10+20=30 10-20=-10

5£®ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìίÍÐʹÓÃ

public delegate int mydelegate(int x, int y); class Math

{ public int fun1(int x, int y) { return x * x + y * y; } public int fun2(int x, int y) { return x * x - y * y; } }

class Program

{ static void Main(string[] args) { int result;

mydelegate objCall;

Math objMath = new Math(); objCall = objMath.fun1; result = objCall(5, 3);

Console.WriteLine(\½á¹ûΪ{0}\

} } objCall = objMath.fun2; result = objCall(5, 3);

Console.WriteLine(\½á¹ûΪ{0}\ Console.Read(); } }

½á¹ûΪ34 ½á¹ûΪ16

5. ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìʼþ

public delegate void mydelegate1(int i);

class MyEvent { public event mydelegate1 Event1; public void FireEvent1(int i)

{ if (Event1 != null) Event1(i); } }

public class Program { public static void show(int i)

{ Console.Write(\ } public static void Main()

{ MyEvent a = new MyEvent(); a.Event1 += new mydelegate1(show); for (int i = 0; i <= 30; i++)

if (i % 7 == 0) a.FireEvent1(i); } }

0 7 14 21 28

6. ÔĶÁÏÂÁгÌÐò£¬Ð´³ö³ÌÐòµÄÊä³ö½á¹û¡£¿¼²ìÔËËã·ûÖØÔØ

class Complex { double a, b;

public Complex(double m, double n) { a=m; b=n; }

public static Complex operator +(Complex x,Complex y) { Complex t=new Complex(0,0); t.a=x.a+y.a; t.b=x.b+y.b; return(t); }

public void DispCom() { if (b>0 ) Console.WriteLine(\ else Console.WriteLine(\ } }

class Program

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