← Exit to Module 10: Functional Programming and Streams lessons
Module progress · 0%Lesson · 14 min
Module 10: Functional Programming and Streams
Lesson focusFunctional Best Practices
Combine functional techniques with imperative code safely.
01 · 15 minLambda Syntax VariationsLocked02 · 18 minBuilt-in Functional InterfacesLocked03 · 16 minStream Creation StrategiesLocked04 · 20 minIntermediate OperationsLocked05 · 22 minTerminal Operations & CollectorsLocked06 · 18 minCollectors In DepthLocked07 · 15 minParallel Streams BasicsLocked08 · 14 minFunctional Best PracticesLocked09 · 35 minMini-Project: Data Analysis with StreamsLocked
Keep lambdas pure; avoid hidden state or checked exceptions by wrapping them or using helper methods.
Balance readability—sometimes traditional loops are clearer, especially for complex branching or debugging.
Profile pipelines to ensure they deliver actual performance benefits before refactoring large codebases.