C# Question

Please highlight the 1 correct option from 4 given at bottom

What is the following code an example of?

private static object objA;

private static object objB;

private static void performTaskA()

{

lock (objB)

{

Thread.Sleep(1000);

lock (objA) { }

}

}

private static void PerformTaskB()

{

lock (objA)

{

lock (objB) { }

}

}

• a deadlock

• thread mismanagement

• a private class that uses multithreading

• multithread coding