CS21 Week9 In-Class Exercises

Create a week9 subdirectory in your cs21 subdirectory, and from your week9 subdirectory, copy over my week9 files: 
% cd  
% cd cs21
% mkdir week9
% cd week9
% pwd 
% cp ~newhall/public/cs21/week9/* .

For Tuesday:

We will first look at the Object class

then we will look at the Comparable Interface

and then the Student.java class that implements it.

For Thursday:

We will start with the SortObj.java class

Next, we will look at the GradeInfo class