r/learnjava • • 3d ago

Final-year Java developer: Should I focus on Spring Boot or system design?

Hi everyone! I’m a final-year B.Tech student preparing for Java backend fresher roles. I’ve been working on Core Java, DSA, and projects, and I’m confused about what to prioritize next.

Should I focus more on Spring Boot and building backend projects, or start studying system design?

For fresher interviews, how much system design is usually expected? Which Spring Boot topics should I be comfortable with before applying?

I’d appreciate advice from anyone who has recently landed a Java backend role or interviews freshers.

19 Upvotes

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u/ToughCorgi4838 3d ago

Totally normal to feel torn at this stage, everyone hits that fork. But it's not really a choice: for fresher interviews, "system design" almost always means being able to explain your own project's architecture, why you chose that DB, what happens when traffic spikes. Nobody expects you to design a rate limiter for a new grad role.

Spring Boot first, no question. Get comfortable with DI, REST controllers, JPA, security, and actually deploying something so you can talk about a bug you hit in production-like setup. That's what interviewers dig into. System design reading can wait until you have a project worth designing around.

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u/omgpassthebacon 2d ago

+1 on advice. In addition, Spring is less obvious before you do everything with Java the hard way. For example, using had-coded JDBC stuff in java was a glorious PITA, and then Spring made it amazingly simple. You've probably seen comments about "boilerplate"; Spring really reduces all that cruft. And building web stuff is a joy with SB.

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u/Old_Journalist6008 1d ago

can u please suggest me how can i learn spring and spring boot so that i could never forget core concepts

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u/Old_Journalist6008 3d ago

Thanks for the advice! I’ve been learning Spring Boot for about a month, but I’m still confused about some concepts and how everything fits together. Could you suggest any courses, books, or YouTube playlists that would help me build a clear understanding of Spring and Spring Boot?

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u/Global_Cod8844 3d ago

if you are intending on only taking backend entry positions, system design is a waste. If all things are in place, someone else will be doing the system design and your task will be to code it. Is that knowledge still great to have, yes. Ideally should you do both, yes. But if you can only do one, Spring Boot. I would say Spring and Spring boot will be the leading and most widely adopted choice.

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u/Old_Journalist6008 3d ago

Thanks for the advice! I’ve been learning Spring Boot for about a month, but I’m still confused about some concepts and how everything fits together. Could you suggest any courses, books, or YouTube playlists that would help me build a clear understanding of Spring and Spring Boot?

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u/regjoe13 3d ago

Start with Spring principles, Springboot because pretty much noone does Spring without Springboot. Once you understand it, move to System design.

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u/Old_Journalist6008 3d ago

Thanks for the advice! I’ve been learning Spring Boot for about a month, but I’m still confused about some concepts and how everything fits together. Could you suggest any courses, books, or YouTube playlists that would help me build a clear understanding of Spring and Spring Boot?

1

u/regjoe13 2d ago

Just write something very simple. Whatever doesn't matter, something that uses Spring data, some basic Spring security and REST, use Spring test for unittests. Doesnt have to be much, but walk through it, make sure you know what each piece does. Lookup prep materials for Spring Professional Certification, you dont have to take it, but just use the preparation

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u/manths777x 2d ago

Honestly speaking if you are fresher and applied for java developer very rare chance they will ask you majorly on SD, better just focused on Spring boot in detail

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u/Old_Journalist6008 2d ago

how u study spring boot

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u/Outrageous_Dig2790 3d ago

System design but really you could do both

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u/sweetno 3d ago

Backend fresher roles? Focus on Spring Boot or similar frameworks. The reasoning is that system design interview rounds are usually done for higher seniority, and rarely useful for actual work. That is, there are people who do system design, but way less than you could imagine by all these FAANG interviews. And surely they won't let newbies anywhere close architectural decisions. Regarding Spring Boot: the framework accumulated quite a bit of cruft over the years, so looking into something like Quarkus to learn the concepts and general workload could be beneficial.

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u/chips_fry1 1d ago

system design

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u/nian2326076 2h ago

Focusing on Spring Boot is a solid choice for Java backend roles, as it's widely used in the industry. Make sure you're comfortable with building RESTful APIs, dependency injection, and Spring Data JPA. System design isn't heavily emphasized for freshers, but having a basic understanding can set you apart.

If you want to practice technical interview questions, PracHub offers various resources to help you prepare effectively. Good luck!

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u/Upstairs-Ostrich-497 1d ago

Learn System Design if you’re already able to build a complete system. Otherwise, I’d definitely recommend starting with Spring Boot. It will help you understand how different components interact, such as databases, backend services, and the frontend, along with many other important concepts.

Once you have hands-on experience with these technologies, you’ll need to understand when to use a particular technology and why. That’s where System Design comes into the picture.

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u/Old_Journalist6008 1d ago

how can i learn springboot there are many courses in utube and many books exists lie "SPRING STARTS HERE" or "HANDS ON APPLICATION DEVELOPMENT USING SPRINGBOOT"

which exact path i perfer

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u/Upstairs-Ostrich-497 1d ago

If you wanna start spring boot i recommend you to explore TELUSKO channel on YouTube, here you get a complete one shot video may be 60+ hours.... You don't have to complete it in one day or one month take your time and enjoy journey. If you need anything else feel free to ask.

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u/Old_Journalist6008 1d ago

please chk DM

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u/[deleted] 3d ago

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u/Old_Journalist6008 3d ago

Thanks for the advice! I’ve been learning Spring Boot for about a month, but I’m still confused about some concepts and how everything fits together. Could you suggest any courses, books, or YouTube playlists that would help me build a clear understanding of Spring and Spring Boot?