seniorKotlin

How does Kotlin handle performance bottlenecks in collection processing?

Updated May 16, 2026

Short answer

Kotlin optimizes collections using sequences, inlining, and avoiding intermediate allocations.

Deep explanation

Standard collection operations like map and filter create intermediate lists, which can be inefficient. Kotlin sequences provide lazy evaluation, processing elements one at a time. Combined with inline functions, this significantly reduces memory overhead in large datasets.

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