Week 7

Reminders / Notes

• Remind students that if they have questions regarding the grading on exam1 they need to see Prof. Ingber this week. She will not make changes to exam grades after this week.

TOPICS

• Questions and Answers.
• Expect questions on control structures (if, while), value returning methods, constructors, and accessor methods.

Lab 10 pts

• Give them enough class time to work on todays lab, but do not give them a lot of help. Let them think this on through. It is really very simple.
  Students can copy the file here:
  Quadratic.java
  Ask students to add a static boolean method named realRoots that returns a value of true if a quadratic equation of the form
  ax²+bx+c=0 has real roots
  (this is exercise 12 on page 225 of the text). A quadratic has real roots if the descriminant (b²-4ac) is nonnegative.
  
  Students should create their own text file to test this. week 7 solution