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Java Debugging Techniques

Debug Workflow

  1. Reproduce issue with minimal input.
  2. Add targeted logs around state changes.
  3. Use breakpoints and watches in IDE.
  4. Validate fix with regression test.

Common Focus Areas

  • NullPointerException sources.
  • Incorrect loop conditions.
  • Wrong object state transitions.

Summary

Reproducible debugging plus regression tests prevents repeated failures.