The latest articles on DEV Community by Tung (@tth2k). https://dev.to/tth2k https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4127263%2F5f482810-e5d4-4730-b4fe-b529c89f9d10.png https://dev.to/tth2k en Tung Wed, 16 Sep 2026 05:34:55 +0000 https://dev.to/tth2k/upskilling-after-redundancy-java-8-to-21-2473 https://dev.to/tth2k/upskilling-after-redundancy-java-8-to-21-2473 <p>My role was made redundant recently, so I'm going to upskill.</p> <p>I asked AI, and the first suggestion was to move from Java 8 to 21, and Spring Boot 2 to 3.</p> <p>My current stack: Java 8, Spring Boot 2, Spring MVC, Hibernate/JPA, Oracle, MySQL, Git, Ansible.</p> <p>Do you agree this is the right direction, or would you suggest focusing on something else?</p> java