BUG Flashcards
Error
A mistake made by the developer in coding.
Example: A developer mistakenly writes ==
instead of .equals()
for string comparison, causing incorrect login validation.
Fault
A flaw in the system due to an error.Example: The login function always fails, even with correct credentials, because of the incorrect comparison.
Defect
A mismatch found during testing before release.Example: A tester enters valid login details but cannot log in, reporting it as a defect.
Bug
A defect logged in a tracking system like JiraExample: The tester logs “Valid users cannot log in due to incorrect validation” as a bug.
Failure
When an unfixed bug affects real users. Example: The issue is not fixed before release, and real users cannot log in, leading to complaints.