Scala · Unit 2

Type Inference and Explicit Type Annotations

Master Scala 3 type inference and explicit annotations for literals, methods, collections, lambdas, Option, Either, public API boundaries, compiler diagnostics, safe refactoring, and readable static contracts.

About this lesson

Master Scala 3 type inference and explicit annotations for literals, methods, collections, lambdas, Option, Either, public API boundaries, compiler diagnostics, safe refactoring, and readable static contracts.

Part of Values, Types, and Expressions

This lesson belongs to a structured unit with 10 lessons, guided practice, checkpoints, and a reviewed assessment pathway.