Java

Discussion Question

Some classes are predefined, and their methods are designed to perform specific commonly encountered tasks.

Discuss the following questions with your classmates:

• When should we use user-defined methods?
• When should we use predefined methods?

Lab Work

In the following exercises, you will discuss reference variables, identify items of a program fragment, and modify and write a program.

Complete the following exercises from your textbook:

1. Turn to Chapter 7.
Complete Exercises #22

and

#23 on pages 452.
• Complete Programming Exercises #7 and #20 on pages 460 and 452