Tag: java-core

All the articles with the tag "java-core".

• OOP, SOLID & Design Patterns: Engineering Judgment for Real Java Code

  Published: 11 Aug, 2026 |  at  10:00 AM

  A problem-first guide to OOP, SOLID and Design Patterns in Java. Learn how to recognize design pressure in real code, refactor toward better structure, and — just as importantly — know exactly when NOT to apply a principle or pattern.

• Java Interview Prep #1: Java Core (JVM, GC, Concurrency) — Junior to Senior

  Published: 10 Aug, 2026 |  at  10:00 AM

  The spine of every Java interview — JVM memory, garbage collection, the JMM, and concurrency. Junior recites; senior proves they've debugged a production OutOfMemoryError.

• How Java Actually Works: Inside the JVM from Bytecode to Garbage Collection

  Published: 10 Aug, 2026 |  at  10:00 AM

  Follow the journey of a Java program from source code into the JVM — method calls, object allocation, JIT optimization, and garbage collection explained at a deeper level than typical stack-vs-heap tutorials.

• Java Threads: From Thread Pools to Virtual Threads

  Published: 9 Aug, 2026 |  at  12:00 AM

  A deep, production-oriented guide to Java concurrency with 31 runnable examples: what threads really are, why shared state breaks, how thread pools and backpressure work, why more threads can be slower, and what Virtual Threads actually change under the hood.