AP Computer Science Principles taught interactively

The session focused on fundamental Java concepts, specifically reviewing data types (`int`, `double`, `string`, `char`) and the syntax for creating variables. The Student practiced identifying and applying the correct data types for whole numbers versus decimal numbers. The Tutor assigned practice questions as homework to reinforce these concepts, with a follow-up session scheduled.

The Student and Tutor reviewed an Entity-Relationship Diagram (ERD), discussing entity attributes and refining the cardinalities of various relationships like 'Student to Appointment' and 'Service to Appointment'. They critically assessed the optionality of services based on appointment presence and confirmed the overall correctness of the data model. The Student also outlined their plan to prepare for an upcoming review by studying the business views and ERD.

The Student and Tutor collaborated on refining an Entity-Relationship Diagram (ERD) for a Computer Science assignment. They meticulously reviewed and modified various attributes, determining whether they should be single-valued, composite, or multi-valued based on the ERD's design purpose. Key attributes discussed included email, staff position, appointment date, and the overall relevance of 'level' and 'course' attributes within the student entity.

Student and Tutor reviewed Java data structures like sets and maps, and overriding `equals` and `hashCode`. The session focused on an exercise where the Student implemented a Java program to read date strings from a text file, store them in a `HashSet` to handle duplicates, and print them using a `forEach` loop. They discussed the implementation and planned to consider sorting with a `TreeSet` in the future.

The Student and Tutor worked through a comprehensive database assignment, refining an Entity-Relationship Diagram (ERD) to correctly model entities and relationships. They identified functional dependencies, applied database normalization techniques up to BCNF, and defined the relational model. The session concluded with updating the ERD to reflect these normalization changes and incorporate future requirements, including a brief discussion on team feedback for the assignment.

The session focused on fundamental database concepts, where the Student practiced normalizing a raw data table by assigning meaningful column names, filling data, and ensuring atomic values. They then transitioned to designing an Entity-Relationship Diagram (ERD), identifying key entities, attributes, and relationships, particularly addressing how to model variable flower costs using an associative entity. The Student's homework involves completing the ERD design.