Anatomy Jokes Intro UI API JPA POJO Hacks

Java Spring Hacks

A POJO is basis of the Spring framework, but also it is basis of Java and the AP CSA exam.

• 2 min read

Java Spring

Hacks

Start work on your own personal blog, using this series as a template.

AP required.

Review the lambok annotations (https://projectlombok.org/features/).

  • Write a POJO and show code generated code by lambok.
    • Name all the Object methods
    • Make a blog of this generated code in context of requirements for the AP exam at the end of Unit 9.

PBL foundational.

Establish a POJO, JPA and APIs in your own repository. You can begin with Jokes and modify to your needs.

This will be beginnings of and ideation phase for your Trimester 1 N@tM final project. Everyone at the table should have an idea and create a full stack project.

  • Integration of your ideation into common repository will be a different phase. This is personal ideation.
  • Consider this as your final individual PBL test and ideation project. We expect to be completely finished with this by Oct 21st.
  • Planning at table for collaboritive ideation is highly advised. This project need to be in your team N@tM final.
  • Scrum Master coordinating with teacher on building something useful for future Teaching is expected in N@tM final. If your project(s) gets pulled into nighthawk coders, you will get an ‘A”!

Make a new POJO

Alert, delete /volumes/sqlite.db each time you change schema. Schema changes are not ugraded automatically as you simply rebuild.

  • Come up with a simple idea to record data updates from User in SQL table
  • Validate creation of SQL table with SQLite Extension, aka SQLite3 Editor
  • Add to blog.

Make a new API endpoint

An endpoint will require POJO, JPA, and REST controller. Test your API using Postman. You should be able to test with localhost:8085 using the spring project.

  • Build @RESTController
  • Build custom methods extending JPARepository
  • Save your Postman queries
  • Have queries for GET and PUT operations
  • Add to blog.

Make a new Frontend page

The frontend page should be simple to test and should have minimal typing. Just clicking.

  • Use definitions like config.js to allow easy migration from frontend to backend
  • Be sure to have both Read and Put operations
  • Add to blog.

  1. Spring Framework Documentation The official Spring Framework documentation is entirely free to access. It provides comprehensive information on various Spring modules, including Spring Boot and Spring Data JPA.

  2. Baeldung Spring Boot Tutorials Baeldung: Baeldung offers a mix of free and paid content. While some articles may require a subscription, many tutorials and guides on Spring Boot and Spring Data JPA are available for free.

  3. Baeldung Spring Boot Tutorials Spring Guides: The Spring Guides are completely free and provide step-by-step tutorials on various aspects of Spring development, including Spring Boot and Spring Data JPA.

  4. Spring Guides Java Brains YouTube Channel: The Java Brains YouTube channel offers free video tutorials on Java and Spring frameworks, including dedicated playlists for Spring Boot and Spring Data JPA.

5 Java Brains YouTube Channe Spring Data JPA Reference Documentation: The Spring Data JPA reference documentation is freely available online and provides in-depth insights into Spring Data JPA features.

Spring Data JPA Reference Documentation The Spring Data JPA reference documentation is freely available online and provides in-depth insights into Spring Data JPA features.