--- title: Java Roadmap | daily.dev description: A comprehensive guide for Java developers covering essential topics such as Linux, Git, IDE options (IntelliJ, Eclipse, VSCode), core Java concepts (OOP,... canonical: https://daily.dev/posts/java-roadmap-l0w41bti4 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Java Roadmap | daily.dev og:description: A comprehensive guide for Java developers covering essential topics such as Linux, Git, IDE options (IntelliJ, Eclipse, VSCode), core Java concepts (OOP,... og:url: https://daily.dev/posts/java-roadmap-l0w41bti4 og:image: https://api.daily.dev/og/posts/l0W41bTi4.png og:image:alt: Java Roadmap og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Java Roadmap **[Amigoscode](https://daily.dev/sources/amigoscode)** · [@amigoscode](https://daily.dev/amigoscode) · 1 min read · 3326 upvotes · 80 comments ## Summary A comprehensive guide for Java developers covering essential topics such as Linux, Git, IDE options (IntelliJ, Eclipse, VSCode), core Java concepts (OOP, Arrays, Polymorphism, etc.), Collections, advanced topics (Dependency Injection, Design Patterns, Multi-Threading), Exception Handling, Streams & Functional Programming, Testing, Databases, Clean Code principles, Logging, Build Tools (Maven, Gradle, Bazel), HTTP (Rest API, GraphQL), and Java frameworks (Spring Boot, Play, Quarkus). ## Content 1. Linux 2. Git 3. IDE - IntelliJ - Eclipse - VSCode 4. Core - Classes/Objects - OOP - Arrays - Classes - Packages - Polymorphism - Variables - Strings - Loops - Inheritances - Interfaces - Files - I/O Streams 5. Collections - Arrays - Lists - Maps - Stacks - Queues - Optionals 6. Advanced - Dependency Injection - Design Patterns - How JVM Works - Multi-Threading - Generics 7. Exception Handling - Checked Exceptions - Unchecked Exceptions 8. Streams & Functional Programming 9. Testing - Unit Testing - Integration Testing - Debugging Skills - Contract Testing - Mocking - Assertion Libraries 10. Databases - Database Design - Queries - Indexes - Joins - Functions - Schema Migration Tool (Flyway, Liquibase) - Relational Database - JDBC - NoSQL 11. Clean Code - SOLID Principles - N-Tier Architecture - Immutability 12. Logging 13. Multi-Threading 14. Build Tools - Maven - Gradle - Bazel 15. HTTP - Rest API - GraphSQL - How HTTP Works - API Design 16. Frameworks - Spring Boot - Play - Quarkus 👍🏿 Subscribe to our newsletter - https://bit.ly/3x4j5dT #systemdesign #coding #interviewtips  ## Community discussion Top comments from developers on daily.dev. **@pabloraffaele** · 40 upvotes > Great post!. Been working with Java for more than 16 years. Still coding. **@chjnsu** · 10 upvotes > Nice list of keywords. And still wanna refer you guy to visit roadmap.sh. More detail **@arber\_mcduckin** · 6 upvotes > Just to add another step, a good comparison of your work with what I found online... Great job none the less > > [Java roadmap](https://roadmap.sh/java) **@visnusah** · 2 upvotes > I’m sure this post will help me a lot because now I’m thinking about starting to learn Java. 🥳 **@leeorion** · 1 upvotes > This is awesome 👌 ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#java](https://daily.dev/tags/java) [View this post on daily.dev](https://daily.dev/posts/java-roadmap-l0w41bti4) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/java-roadmap-l0w41bti4","headline":"Java Roadmap","text":"A comprehensive guide for Java developers covering essential topics such as Linux, Git, IDE options (IntelliJ, Eclipse, VSCode), core Java concepts (OOP, Arrays, Polymorphism, etc.), Collections, advanced topics (Dependency Injection, Design Patterns, Multi-Threading), Exception Handling, Streams & Functional Programming, Testing, Databases, Clean Code principles, Logging, Build Tools (Maven, Gradle, Bazel), HTTP (Rest API, GraphQL), and Java frameworks (Spring Boot, Play, Quarkus).","url":"https://daily.dev/posts/java-roadmap-l0w41bti4","datePublished":"2024-07-24T12:29:09.651Z","dateModified":"2024-08-23T16:14:46.852Z","author":{"@type":"Person","name":"Nelson","url":"https://daily.dev/amigoscode","image":"https://media.daily.dev/image/upload/s--3aCoyed_--/f_auto/v1706091311/avatars/avatar_R6AnNdJr43ECRKuK023Zg","description":"Software Engineer and Educator","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":1790}},"image":"https://media.daily.dev/image/upload/s--EGeiX4rS--/f_auto/v1721824150/posts/l0W41bTi4","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3326},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":80}],"comment":[{"@type":"Comment","text":"Great post!. Been working with Java for more than 16 years. Still coding.","datePublished":"2024-07-24T12:51:00.582Z","url":"https://daily.dev/posts/l0W41bTi4#c-zfZkgJE70","author":{"@type":"Person","name":"Pablo Raffaele","url":"https://daily.dev/pabloraffaele","image":"https://media.daily.dev/image/upload/s--h8jRCBdt--/f_auto/v1741639380/avatars/avatar_a3898mkGGUAhHzhodMLx1"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":40}},{"@type":"Comment","text":"Nice list of keywords. And still wanna refer you guy to visit roadmap.sh. More detail","datePublished":"2024-07-25T01:13:09.120Z","url":"https://daily.dev/posts/l0W41bTi4#c-YI4Y1nmCf","author":{"@type":"Person","name":"Nam","url":"https://daily.dev/chjnsu","image":"https://avatars.githubusercontent.com/u/169240580?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":10}},{"@type":"Comment","text":"Just to add another step, a good comparison of your work with what I found online… Great job none the less\nJava roadmap","datePublished":"2024-07-24T15:03:04.207Z","url":"https://daily.dev/posts/l0W41bTi4#c-dJUBlahwv","author":{"@type":"Person","name":"Arber Bakalli","url":"https://daily.dev/arber_mcduckin","image":"https://lh3.googleusercontent.com/a/ACg8ocK_9f50OBSrj9wVbcz520MQuVlTpXDV0SYpXX5UEr-XKE9A0u3r=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":6}},{"@type":"Comment","text":"I’m sure this post will help me a lot because now I’m thinking about starting to learn Java. 🥳","datePublished":"2024-07-25T03:07:22.760Z","url":"https://daily.dev/posts/l0W41bTi4#c-LfgXEVndz","author":{"@type":"Person","name":"Visnu Sah","url":"https://daily.dev/visnusah","image":"https://media.daily.dev/image/upload/s--7Eb2VhZA--/f_auto/v1713496901/avatars/avatar_0aodCDkI5UPAjmW65chRV"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"This is awesome 👌","datePublished":"2024-07-30T14:27:29.007Z","url":"https://daily.dev/posts/l0W41bTi4#c-AaBndJAkM","author":{"@type":"Person","name":"Lee-Orion","url":"https://daily.dev/leeorion","image":"https://media.daily.dev/image/upload/s--O0TOmw4y--/f_auto/v1715772965/public/noProfile"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}],"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/amigoscode","name":"Amigoscode"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Amigoscode","item":"https://daily.dev/squads/amigoscode"},{"@type":"ListItem","position":3,"name":"Java Roadmap"}]} ```