v1.4

v1.4 Release notes

Add undo command

• Allow users to undo the previous concrete command
• Concrete command: add, delete, edit, clear, clean
• Individual command knows how to undo itself

undo_demo.mp4

New GradYear field

• Add GradYear field to Person to keep track of year of graduation of contacts
• GradYear is a string composed of numeric characters of length 4 in the format YYYY

Add clean command

• Allow users to delete all contacts whose graduation year has passed in one command
• Users with GradYear field before the current year will be deleted

clean_demo.mp4

Replace view command with find command

• view command is totally replaced by find command since the functionality is the same

Miscellaneous

• Improve help feature to include basic introduction to Add, Edit and Delete features

Improved help window:

• Change tags such that whitespace in them are allowed
• Address was made optional as it would only be used to store the address of residents when they are not staying in the dorm