Learn SCALA with Real Code Examples

REST API backend with Play Framework

Concurrent actor system with Akka

Big data processing with Apache Spark

Domain-specific language for business rules

Reactive streams and asynchronous pipelines

Check for type mismatches and null safety

Ensure proper imports for Java/Scala interop

Debug using print statements or IDE breakpoints

Verify sbt build configuration

Handle Option and Either types safely

Unit testing with ScalaTest or MUnit

Property-based testing with ScalaCheck

Integration tests for APIs and services

Test concurrency and async code with proper frameworks

Use sbt test for automated test execution

Package as JAR or fat JAR for JVM deployment

Deploy to cloud JVM services (AWS, GCP, Azure)

Run Spark jobs on cluster

Containerize Scala apps with Docker

Distribute microservices with orchestration tools

sbt for builds and dependency management

IntelliJ IDEA with Scala plugin

VSCode with Metals extension

ScalaTest and MUnit for testing

Scaladoc for documentation

Java libraries and frameworks

Apache Spark for big data processing

Akka for actor-based concurrency

Play Framework for web development

Kafka, Flink, and other JVM ecosystem tools

Use immutable structures to prevent side effects

Leverage type inference for cleaner code

Use pattern matching to simplify logic

Modularize code with traits and objects

Adopt sbt and IDE tooling for workflow efficiency

Create a REST API with Play Framework

Build an Akka actor system

Process data using Apache Spark

Write a small DSL with Scala

Contribute to a Scala open-source project