How do you reliably test certificate expiration and mTLS handshakes in local environments without setting up complex enterprise machinery? Here is why I skipped HashiCorp Vault, bypassed Python, and leveraged Java with GraalVM Native Image to build a standalone, 5ms CLI utility called Certshift.

Ever wondered what happens under the hood of the JVM? From the curious case of the double MONITOREXIT to the fact that booleans don’t actually exist in bytecode, we explore 5 fascinating mysteries revealed by javap that every Java developer should know.

Exploring the evolution of the Java Virtual Machine: A deep dive into GraalVM’s Graal compiler versus OpenJDK’s C2. We examine Ahead-of-Time (AOT) compilation, polyglot capabilities, and why ‘write once, run anywhere’ is getting a significant performance upgrade.