Java with JSON

Learn the skills you need to work comfortably with JSON and extend the functionality of your applications.

Introduction

• Your apps and JSON
• What you should know
• Exercise files
• A tour of Coderpad

1. JSON Basics

• Data interchange formats
• JSON syntax
• Primitives
• Writing JSON
• Solution: Writing JSON strings

2. Simple JSON Implementation

• Explore the sample app
• JSON libraries
• Add Gson as a dependency
• Use JSON to write data
• Read JSON from file
• Add properties to the Note class
• Add new field to the UI
• Solution: Deserialize and serialize JSON

3. JSON Arrays

• Working with arrays
• Write JSON arrays
• Read JSON arrays
• Define a JsonNotesFile class
• Keyed collections
• Use a map of notes
• Solution: Deserialize a collection of objects

4. Additional Formatting and Customization

• Write nested JSON
• Read nested JSON
• Test nested JSON
• Select fields to expose
• Configure serialized names
• ISO 8601
• Date and time in JSON
• Handle null values
• Solution: Customize the way JSON is written

Conclusion

• Next steps