Details

• Updated Mar 20, 2025
• 13 lessons

What you'll learn

• The schema-first design approach and its benefits

• Schema definition language (SDL) fundamentals

• Build a GraphQL API using Java and DGS

• Write datafetcher functions

• Connect a REST data source

• How to use the DgsDataFetchingEnvironment parameter in datafetcher functions

• Use arguments in the schema

• Use resolver chains to resolve data

• Use the DGS getLocalContext method

• Add mutations to a schema

• Learn best practices for mutation responses

Prerequisites

• Basic programming knowledge using Java

Instructor