Java

Java Learning Path: 90-Day Plan for 2026

A disciplined 90-day Java learning path with weekly deliverables — designed for working professionals with 10-15 hrs/week.

Updated 15 Jan 2026 10 min readBeginner Programming & Development

Core

This phase should deliver a portfolio artifact you can show:

  • OOP
  • Collections
  • Concurrency

Spring

This phase should deliver a portfolio artifact you can show:

  • Spring Boot
  • REST
  • Data JPA

Systems

This phase should deliver a portfolio artifact you can show:

  • Kafka
  • Kubernetes
  • Observability

Weekly cadence

How to structure each week:

  • 3-4 focused study blocks
  • 1 project checkpoint
  • 1 hour of review + notes
  • One community post or share

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