using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
namespace _2._1._1
{
class TableOfElements
{
private Object thisLock
= new Object();
int[] Arr;
public int sum = 0;
public TableOfElements(int length)
{
for (int i = 0; i < length; i++)
{
Arr[i] = r.Next(-100, 1000);
}
}
public void SumArr(int elementNumber)
{
lock(thisLock)
{
sum += Arr[elementNumber-1];
Console.WriteLine(this.sum);
}
}
}
class Program
{
static void Main(string[] args)
{
int n = 4; //number of elements in Array and threads
TableOfElements tabOfEl
= new TableOfElements
(n
);
Thread
[] threads
= new Thread
[n
];
for (int j = 0; j < n; j++)
{
Thread thread
= new Thread
(() => tabOfEl
.SumArr(j
));
threads[j] = thread;
}
for (int i = 0; i < n; i++)
{
threads[i].Start();
}
Thread.Sleep(1000);
Console.WriteLine("Sum (multithreaded with lock): " + tabOfEl.sum);
Console.ReadKey();
}
}
}
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