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Software Development Lifecycle (SDLC): End-to-End Overview

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  • Software Development Lifecycle (SDLC): End-to-End Overview

Low-Level Design (LLD)


What is Low-Level Design?

Low-Level Design (LLD) provides detailed technical implementation of each component defined in the HLD.

While HLD shows modules, LLD shows classes, methods, database queries, and logic.

Components of LLD

  • Class diagrams
  • Database schema
  • API endpoints
  • Pseudocode or algorithms
  • Method definitions
  • Data structures

Who writes LLD?

1. Senior Developers

2. Technical Leads

3. Software Architects

Why LLD is Important?

Developers clearly understand implementation

Consistent coding structure

Reduced coding errors

Easier maintenance


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