What is the difference between static and dynamic testing?

Static Testing (Done In Verification Stage). Static Testing is a White Box testing technique where the developers verify or test their code with the help of a checklist to find errors in it, this type of testing is done without running the developed application or program. Code Reviews, Inspections, Walkthroughs are mostly done at this stage of testing. Dynamic Testing (Done In Validation Stage). Dynamic Testing is done by executing the actual application with valid inputs to check the expected output. Integration Testing, System Testing, Regression and Acceptance Testing.