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= ;

b - , .. b , , . , b , . , .

// , using System;

// , class MyClass { public int x;

}

// , class ClassAssignment { static void Main() {

MyClass a = new MyClass();

MyClass b = new MyClass();

a.x = 10;

b.x = 20;

Console.WriteLine("a.x {0}, b.x {1}", a.x, b.x);

a = b;

b.x = 30;

Console.WriteLine(". {0}, b.x {1}", ., .);

}

}

.

. 10, . 20 . 30, . 30

, b , , .. , .

: C# , , ? . , , . , , . , , . , , . , . , , , .

, . . , . . , , .

// , using System;

// , struct PacketHeader {

public uint PackNum; // public ushort PackLen; // }

// PacketHeader (

// , class Transaction {

static uint transacNum = 0;

PacketHeader ph; // PacketHeader Transaction string accountNum; double amount;

public Transaction(string acc, double val) {

//

ph.PackNum = transacNum++;

ph.PackLen =512; //

accountNum = acc; amount = val;

}

// , public void sendTransaction() {

Console.WriteLine(" #: " + ph.PackNum +

", : " + ph.PackLen +

",\n #: " + accountNum +

", : {0:C}\n", amount);

}

}

// , class PacketDemo { static void Main() {

Transaction t = new Transaction("31243", -100.12);

Transaction t2 = new Transaction("AB4655", 345.25);

Transaction t3 = new Transaction ("8475-09", 9800.00);





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