Answers to question#1 1. Two types of fles are associated with Java programs: files with extension .java, and files with extension .class. In general, should you send files with extension .class as part of your assignment submission? NO. Only files with extension .java should be submitted. 2. Joe writes his answer to this question using Ultimate Do-Everything Word Processor, and sends the resulting word processing document. The TA who grades Joe's assignment gives Joe 0 for this question. Is the TA justified? YES. Only plain-text files should be submitted. 3. When should you send files for grading using the problematic submissions box for an assignment? Problematic submissions box should be used only in cases were the student has been instructed to do so by the instructor or course coordinator. 4. Will myCourses allow you to take back your assignment submission and edit it after the due date for the assignment? No. 5. Who should you contact if you disagree with the way a part of your assignment was graded? The head TA.