I think they are conducting interviews just for the sake of passing time. It was only a 30-minute interview, and based on a few questions, they decided I was not a potential fit, even though I answered all of them.

Be aware before taking interviews; some foolish people are working there, and they think they are excellent coders.

1. Find loop in LinkedList.

2. Array with two parts, both ascending, find the index where the second part starts. [14, 15, 16, 1, 2, 3, 4]

3. Exceptions.

4. HashCode.