Requirement -> Analysis & Design -> Implementation -> Testing
要求 分析・設計 実装 テスト
System Feasibility -> Requirements Analysis -> High Level Design -> Detailed Design -> Coding -> Integration
実現可能性 要求分析 詳細設計 実装 統合
Requirements Analysis -> System Design -> Program Design -> Coding -> Unit Testing -> Integration Testing -> System Testing -> Acceptance Testing -> Operation & Maintenance
SDLC(Software Development Life Cycle)
Requirement Analysis -> Design -> Implementation -> Testing -> Evolution -> Requirement Analysis -> ...