Lecture Material for F13v20 Oblig 4

The lecture material for F13 has been uploaded.

I missed out on a few questions in the chat:

Q: "I cannot see the poll"

A: reports have it that is the case when using the browser version of Zoom cannot show polls - possibly because of pop-up blockers. Please download the "app" - i.e., the Zoom program from uio.zoom.us

Q: If a model object has TWO Events would it have two generic notifiers?

A: Typically, no, just one notifier. However, there can be two notifiers albeit then the model object needs to activate the relevant one and missstakes are easy to do. With one notifier: just notify regardless and let the observers figure it out! (Pushing the workload to those that "ordered" the work actually get to do the work.

Q: what was the poll result:

A:

Learn 2:1; 3:6

Hard 2:1; 3: 5; 4: 1

-- Eric