There's so much to learn in Java but I can't learn everything at one go. I've good understanding of OOPS concepts, have worked on Java also for some time. I know how to write class, create objects, methods, callback func, etc etc.
I am 9 yoe frontend dev and now they want me to work like complete full-stack engineer.

I want to learn Java n springboot. But when I learn Java basics I feel bored. Pls help me what I learn first & then what & then what. I can give 10-15 hrs per week easily on this.

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Start with Head first java from O'Reilly once you are through with it. Test yourself with Oracle certified associate (OCA) course se 8 .. if you like this path next would be OCP Oracle certified professional se 8 and then 11 and so on.. this will give you a really solid understanding and you will be able to measure how you stand in terms of development compared to other...

For spring and spring boot I would recommend going through official spring documentation after that move on to spring boot documentation start by understanding and not building.. once you understand apply that logic in building small scale projects ...

Next up would be spring cloud , kakfa , SQL or No SQL db , some cloud AWS/Azure / Gcp

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Instead of learning java basics . Try building some basic applications like to do and all. Try to connect a db . Try building rest end points

Ok. Should I use Java or spring framework?

CCTC?

20+

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