What is Software Testing? Difference between smoke Testing and sanity testing? Test cases for glass water bottle? what Test Case Techniquies?

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Software testing is the process of evaluating a software application to find defects and ensure it meets requirements.

Smoke testing is a preliminary test to check if the software build is stable enough for further testing.
Sanity testing is a subset of regression testing, focusing on specific areas of functionality after changes.
Test cases for a glass water bottle could include checking for leaks, verifying the lid seals properly, and ensuring the bottle is dishwasher safe.
Test case techniques include equivalence partitioning, boundary value analysis, and decision table testing.

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