Java Performance Optimization¶
Core Topics¶
- Code profiling techniques
- Identifying bottlenecks
- Memory leak detection
- CPU vs I/O bound optimization
- Efficient collection usage
- Avoiding premature optimization
Tools to Learn¶
- JProfiler
- VisualVM
- YourKit Profiler
- Java Mission Control
Key Internals to Understand¶
- JIT compilation hotspots
- Inlining and dead code elimination
- String concatenation optimization
- Primitive vs wrapper performance