CSSE 220: Day 3

Topics

• Number Types
• Constants
• Arithmetic operators and mathematical functions
• Calling static methods
• Strings
• Reading Input
• Conditional statement
• Comparing values

Outline

• [10 min] Types and constants
• [10 min] Mathematical functions and static methods
• [15 min] Strings and I/O
• [15 min] Conditional statements
• [5 min] Break
• [10 min] Comparing values
• [40 min] Start work on programming project. Extend the code you submitted for today to satisfy the following specifications.
  • Ensure that an account can never have a negative balance. Hint: You need to modify several methods.
  • Ensure that one can never deposit a negative amount or withdraw a negative amount.
  • Use a constant to represent a fixed interest rate. Give monthly interest based on the closing balance at the end of the month.
  • Modify the getBalance method so that it returns the balance in whole dollars only.
  • Use JavaDoc to comment the public portions of your code and use inline comments to comment the private portion of your code as necessary.
  • Write code to thoroughly test the additional functionality.

Resources

• Slides for chapter 4
• Slides for chapter 5

Assignments

• Day 4, BC: Skim sections 5.3 - 5.5 and sections 6.1 - 6.6 and read up on materials with which you are unfamiliar or which escaped you since CSSE 120.
• Day 4, BC: Finish the project begun in class and submit it to the appropriate drop-box in Angel.