Traditional Java decompilers (like JD-GUI, standalone Fernflower, or CLI CFR) are built for manual human inspection: they dump entire archives to disk, emit thousands of lines of code into a single ...

This repository is my hands-on backend engineering learning and interview portfolio. It documents my continuous progress from Core Java fundamentals to production-oriented backend concepts, with ...

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 ...

When writing Java, seeing red wavy lines or English error messages can be startling. However, error messages are hints that ...

Two new Java Cards reproduce the applet lifecycle and expose a T=0 transport bug. Hardware results, CPLC serials, regression ...