It's a Java backend. I had to learn views in a hurry, so I listened to it all in two days. ㅎㅎㅎ The number of lectures was huge, but it was better because the running time was short. If it was long, I don't think I would have been able to finish it. I'm going to listen to the next view lecture!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Thank you!!!!!!!!!!!!!!!!!!!!!