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Scala: Part 12: Scala Either for Java Developers - A Result or a Reason

From a Java/Spring perspective, I build Scala Either from explicit Left/Right cases to map, flatMap and a for-comprehension, with three verified lookup outcomes and failure reasons that survive the chain.

22 Sep 2026 · 6 min read ·97 views

#either
#for-comprehensions
#functional-programming
#java
#scala
#scala-play

Scala and the JVM · Part 5

Scala: Part 5: From flatMap to For-Comprehensions

Find a policy, find its email, and build a label. Understanding Scala 2 for-comprehensions by translating them into familiar flatMap and map calls, with all three optional outcomes made explicit.

19 Sep 2026 · 4 min read ·95 views

#for-comprehensions
#java
#option
#scala
#scala-play