Use Case: “Search for Meal”
Short Description: “The customer wants to order foods in the restaurant”
Actor: “Customer”
Requirements: “Customer should have money”
Pre Condition: “The Customer choosing foods in the Menu-List.”
Post Condition: “The Customer successfully ordered his food.”
Main Flow: “The Customer should pay first in the cashier”
Alternate Flow: “The customer's money is not enough to buy this kind of food.”
Exceptions Flow: “Your money is fake!”
Use Case: “Search for book/s”
Short Description: “The student wants to borrow a book in the library”
Actor: “Students”
Requirements: “Each Student should have an ID”
Pre Condition: “ The Student's ID should already validated”
Post Condition: “The Students may now be able to borrow a book”
Main Flow: “Each Student should present his/her validated ID in the Library Personnel. And records their name, signature, code of the book and the date to a specified record book”
Alternate Flow: “Your ID was not validate”
Exceptions Flow: “No network connection”
