LAs hold LA Lab Hours in the W20 cluster so you can talk to them in person. LAs will give top priority to students requesting help via the Online Queue, whether those students are physically present in W20 or not. Time permitting, they will also monitor the 6.170 zephyr instance while on duty. However, people who physically go to clusters will take precedence, so please don't feel rejected if a question you raise on the zephyr instance isn't promptly answered.
Feel free to talk to the LAs or use the instance when there is an aspect of Java syntax you don't understand or when there's a compile-time or run-time error you're having trouble with.
Please try to respect the LAs and your fellow students by first attempting to solve the problem yourself. For instance, please do not ask questions like, "What parameters do this method take?" since you can easily look up the answer yourself.
There is no such thing as a stupid question, but there are lazy ones. :) Aside from that, please don't hesitate to ask the LAs questions; that's why they are there!
Please respect the fact that LAs may be online -- they may even helpfully answer a question or two -- when they are not on duty. Please do not take advantage of the LAs' generosity by imposing on them during their off-duty hours. (Check the LA lab hours and/or ask whether the LA is on duty before bombarding the LA with questions.)
Finally, if you have any administrative or conceptual questions, please consult your TA during their office hours instead.
LA Lab Hours should not be confused with Lab Sessions, which are weekly tutorials on technical details.