10 Common Pitfalls in Java Silver: Lessons Learned from Creating 100 Practice Questions

I created 100 practice questions for the Java Silver exam and verified the answers by actually running the code for every question on both JDK 11 and JDK 17. Along the way, I compiled 10 points where ...
news.lavx.hu

Spring ships first RCs for Boot, Framework, Data, Security, Modulith and AI

The Spring team released first release candidates for 17 projects during the week of Oct. 19, 2026, including Spring Boot 4.2 ...
GitHub

design.md

Of the many available Java collection types, we chose to use the array collection type as the first collection type students will be taught for the following reasons: Arrays don't require the student ...
GitHub

README.md

Behaviour of org.apache.commons.numbers.core.ArithmeticUtils#pow(int, int) changed: pow(k=-2, e=31) before: throws ArithmeticException("integer overflow") after: -2147483648 (found by JBMC 6.11.0 in ...
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Get started with Azure OpenAI and the Responses API

Deploy Azure OpenAI with GPT-5-mini by using the Azure Developer CLI. Run a local app that authenticates with Microsoft Entra ID instead of an API key. Send one request to the Responses API and print ...
HackerNoon

Your Data Has 100 Attributes - How Many Indexes Do You Need To Search Within Millisecond?

When data is read far more often than written, you can afford to organize it once and reuse that work on every query.
ESPN

All-time F1 drivers' and constructors' championship winners

Formula 1's inaugural season was in 1950. The premier class in open-wheel single-seat racing has crowned a world champion driver every year since. Since 1958, F1 has also crowned a championship team ...