Java with JSON

Introduction

• Your apps and JSON
• What you should know
• Exercise files

• Data interchange formats
• JSON syntax
• Primitives
• Writing JSON
• Challenge: Reading and writing JSON
• Solution: Reading and writing JSON

• 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

• Working with arrays
• Write JSON arrays
• Read JSON arrays
• Define a JsonNotesFile class
• Keyed collections
• Use a map of notes

• 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

• Next steps