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Crio-Bytes / IBD-2022-Master-Repository

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Debugging Tip #101

Closed AKG1301 closed 1 year ago

AKG1301 commented 1 year ago

MicroByte Title: Debugging Tip

Domain: Programming

Scope of learning for learners: Learners will know about how to debug NPE effectively Activities:

  1. What is Debugger?
  2. How to debug NPE effectively?
  3. Come up with 5 examples for NPE:
    1. autowiring done incorrectly,
    2. passed parameter is NULL
    3. object not initialized
    4. multi-object deferencing throwing NPE (inputParam.getGeoLocation().getLatitude() -> throws NPE
    5. Incorrect casting