Daily edition · Java
TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.
9 articles · 5 sources ·
LLM-assisted legacy modernization: How do you move from COBOL, PL/1, or outdated Java toward a modern application? This W-JAX session demonstrates the process through live coding, combining incremental refactoring with…
We have decided to cease development of Primitive Types in Patterns, instanceof, and switch. The draft JEP https://openjdk.org/jeps/8393282 that would have been the sixth preview of this feature will be withdrawn, and…
Java has a startup problem, and most of us have felt it. A service can take seconds to become ready, yet modern platforms start and stop instances all day. Most teams attack this with one of two well-known strategies.…
Learn how to customize the Spring Authorization Server UserInfo endpoint handling. The post Customize the OpenID Connect 1.0 UserInfo Response in Spring Authorization Server first appeared on Baeldung.
A short slowdown should end when the cause ends. Sometimes it does not, because the safety net keeps the system down. When Safety Code Becomes the Problem Retries look harmless. A call fails, so the client tries again,…
In my earlier article on MySQL JSON Duality Views, I built a Java application that reads an order, its customer, and its line items as one JSON document. The data still lives in four relational tables. A small AI…
A blank librarianID field on a loan form silently persisted as an empty string instead of null. That broke a dropdown’s “has this been saved yet?” check on a different page entirely. The bug lived purely in the…
Bart Butler, CTO of Proton, published an internal memo that says that writing code by hand is a skill whose time has passed, the way memorizing phone numbers did. He does say that engineering and expertise are not dead,…
A test hangs in CI, the job sits there for 30 minutes, and GitHub Actions cancels it. The log says the job exceeded its time limit and nothing about what the test was doing when it got stuck. Running it again locally…
