Skip to content
This repository has been archived by the owner on May 22, 2024. It is now read-only.

Latest commit

 

History

History
6 lines (5 loc) · 519 Bytes

item-06.md

File metadata and controls

6 lines (5 loc) · 519 Bytes
Raw

Item 06: Avoid creating unnecessary objects

  • Prefer primitives to boxed primitives, and watch out for unintentional autoboxing.
  • This does not imply that object creation is expensive. Creation and reclamation of small objects whose constructors do little explicit work is cheap with modern JVM implementations.
  • Avoiding object creation by maintaining an object pool is a bad idea, unless the objects in the pool are extremely heavyweight.
    • An object that does justify an object pool is a database connection.