performance

Performance tips and optimization techniques for Groovy.

Groovy SQL Batch Processing – withBatch Performance Guide with 12 Examples

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Groovy SQL batch processing with withBatch for high-performance bulk inserts. 12+ examples covering batch size tuning, performance benchmarks, large dataset handling, and combining batches with transactions. “A database without transactions is like a bank without locks – everything works fine until two people reach for the same cash at the same time.” Last Updated: July 2026 | Tested on: Groovy 5.0.6, Java 17+ | Difficulty: Intermediate to Advanced | Reading Time: 25 minutes Inserting one row at a time into ... Read More

Groovy Enum Complete Guide – Constants, Methods, Best Practices with 12 Examples

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Magic strings spread fast: ‘ACTIVE’ here, ‘active’ there, and eventually a typo that sails through review and breaks production on a Friday. Enums kill that entire bug class with compile-checked names. This Groovy enum guide works through 12 tested examples, from constants, constructors, and interfaces to state machines and JSON handling, all verified on Groovy 5.0.6. “If you’re using magic strings or integer constants to represent a fixed set of values, you’re writing bugs that haven’t happened yet. Enums exist ... Read More