Write isolated, deterministic unit tests. If a test relies on the network or an external database, it is an integration test, not a unit test.
In the long-running and highly respected "97 Things" series from O'Reilly, each entry delivers one clear, actionable insight without filler. This approach creates a book you can read from cover to cover or pick up at any point for a quick burst of inspiration.
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Yield values directly without falling through.
The book is structured into 97 short, independent entries (roughly 2–3 pages each) arranged alphabetically. Key technical and professional areas covered include: Write isolated, deterministic unit tests
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Restrict which classes can extend a superclass. 2. Memory Management and Performance This approach creates a book you can read
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Never catch generic Exception or Throwable . Catch specific, checked or unchecked exceptions, and never swallow them without logging the context.