1. What is GitHub Copilot? Answer: A coding assistant that suggests whole lines or blocks of code as you type. It understands context from comments and function names to generate relevant code. Business Use Case: “In our claims processing service, I need to write a new Java class to validate a dental claim. I can write a comment like // Java class to validate dental claim fields: memberId, serviceDate, procedureCode and Copilot will generate the boilerplate class structure and validation methods, saving significant time.”