Java
-
Core Java
Java Sock Merchant Problem: Solutions with Arrays and HashSets
The Sock Merchant problem is an algorithm challenge that tests our ability to work with arrays, counting, and basic data…
Read More » -
Core Java
Convert ByteBuffer to Byte Array in Java
Java applications often work with binary data while performing file operations, network communication, serialization, and NIO (New I/O) programming. Two…
Read More » -
Core Java
Event Sourcing Without a Framework: What You Actually Need, What You Don’t, and the Parts Nobody Warns You About
Most Java tutorials reach for Axon before explaining the moving parts underneath it. This is the framework-agnostic treatment — the…
Read More » -
Enterprise Java
The Database Migration Risk That Hibernate Silently Creates
Why hbm2ddl.auto=update is still in production codebases — and what to do about it Somewhere in a production codebase right now, Hibernate…
Read More » -
Core Java
How to Import P7B into Java Keystore
In Java-based applications, SSL/TLS certificates are managed using a Java KeyStore (JKS or PKCS12). Often, certificates are provided in different…
Read More » -
Core Java
Java Flip Bits Number Example
Bit manipulation is an important concept in Java programming, especially when dealing with low-level operations, optimization, cryptography, networking, and competitive…
Read More » -
Core Java
Java Fast Gaussian Blur Example
Gaussian Blur is one of the most widely used image processing techniques for smoothing images and reducing noise. It is…
Read More » -
Core Java
Go’s Concurrency Model vs. Java Virtual Threads: A Practical Comparison
Java 21 changed the concurrency story — but how close is it really to Go’s goroutines? Side-by-side code, real benchmarks,…
Read More » -
Core Java
Rust’s Borrow Checker for Java Developers: A Mental Model That Actually Sticks
No fluff, no deep dives into unsafe code. Just the ownership model, translated into Java terms you already know. If…
Read More »
