מריה בוטוסוב

יש לכתוב דוגמה של קוד ב c#

public class AccountManager {
    Account _fromAccount;
    Account _toAccount;
    double _amountToTransfer;
    public AccountManager(Account fromAccount, Account toAccount, double amountToTransfer) {
        this._fromAccount = fromAccount;
        this._toAccount = toAccount;
        this._amountToTransfer = amountToTransfer;
    }
    
    public void Transfer() {
        lock(_fromAccount) {
            Thread.Sleep(1000);
            lock(_toAccount) {
                _fromAccount.Withdraw(_amountToTransfer);
                _toAccount.Deposit(_amountToTransfer);
            }
        }
    }
}
 
public static void Main() {
    Account a = new Account(101, 5000);
    Account b = new Account(102, 3000);
    
    AccountManager mA = new AccountManager(a, b, 1000);
    Thread T1 = new Thread(mA.Transfer);
 
    AccountManager mB = new AccountManager(b, a, 2000);
    Thread T2 = new Thread(mB.Transfer);
 
    T1.Start();
    T2.Start();
    
    T1.Join();
    T2.Join();
}

also great article can be found here: https://blog.stephencleary.com/2012/07/dont-block-on-async-code.html