What is SDLC and STLC? Explain its different phases.

SDLC
· Requirement phase
· Designing phase (HLD, DLD (Program spec))
· Coding
· Testing
· Release
· Maintenance

STLC
· System Study
· Test planning
· Writing Test case or scripts
· Review the test case
· Executing test case
· Bug tracking
· Report the defect