Software Development Life Cycle (SDLC) 
• SDLC defines the phases in building of software or application. 
o Requirement Gathering (Gathering information used to plan project, 
Identifying risks) 
o Design (How the application will be built) 
o Coding (developing) (Based on requirements, 
developers will write the application) 
o Testing 
o Production (deployment)(Releasing product) 
o Maintenance (Making sure product is stable, 
looking at customer report on bugs and fixing it)