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Scala: Part 7: List For-Comprehensions - From Guards to flatMap

From one generator and an if guard to two lists and six combinations: I trace Scala for-comprehensions back to map, withFilter and flatMap, with runnable policy examples.

19 Sep 2026 · 5 min read ·99 views

#collections
#java
#scala
#scala-play

Scala and the JVM · Part 6

Scala: Part 6: Scala Collections for Java Developers - map, filter and find

Three familiar operations, three different results. I explore Scala List with fictional insurance policies, compare it with Java streams, and reconnect find with Option.

19 Sep 2026 · 4 min read ·115 views

#collections
#java
#scala
#scala-play