#scala-3

#scala-3

CheerpJ, a Java Virtual Machine in WebAssembly, allows legacy Java applications to be run directly in web browsers, alleviating update burdens for desktop applications.

At Scalar Conference 2025, attendees experienced a rich immersion into the Scala language, including significant discussions on cloud infrastructure optimization and the future direction of Scala 3.

In ScalaTest, a well-structured test case follows the Arrange, Act, Assert pattern, ensuring clarity in creating tests and validating outcomes.

Two systems communicate by authenticating requests; API services need authentication for secure communication, often using OAuth 2.0 with Okta for client verification.

In Scala 3, use opaque types to create meaningful type names for safer code. Instead of confusing plain types like Int, define custom types like CustomerId and ProductId to prevent errors and enhance readability.