The number of ____________________ is determined by the maximum number of cells within each row.

Whenever you look up a class in the Java API, the top-left corner of that class's page traces that class's superclasses all the way back to ____.

A. Object B. Class C. System D. Runnable

The ____________________ shows a calendar for the current month with a blue box around the current date.

Fill in the blank(s) with the appropriate word(s).