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if you want to get hired as Backend Developer in 2025, do this

Oskar Kalbarczyk Spring Boot & Java GuidesOct 19, 2025

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Oskar Kalbarczyk Spring Boot & Java GuidesOct 11, 2025

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Java Streams Made EASY for Beginners

Oskar Kalbarczyk Spring Boot & Java GuidesSep 27, 2025

New Java Version 25 - The Best New Features You'll ACTUALLY Use

Oskar Kalbarczyk Spring Boot & Java GuidesAug 29, 2025

Easiest Way To Save Object To File | Java Serialisation

Oskar Kalbarczyk Spring Boot & Java GuidesApr 1, 2025