#interview

Articles tagged with #interview

Rethinking Expense Validation: From Hardcoded If Statements to Pluggable Engines in Java
Moving from messy conditional statements to extensible, configuration-driven rule engines in enterprise Java applications.
Sep 5, 202611 min read7
The Ultimate Guide to the Java Singleton Pattern
What is it, why it breaks, how to fix it, and when you actually need it in production.
Jun 24, 202625 min read115
RabbitMQ vs Kafka: Key Differences, Trade-offs, and When to Use Each
A practical guide to understanding the architectural decisions behind RabbitMQ and Kafka, not just their features.
Jun 3, 202614 min read18
Spring Boot @Value Property Order Explained
Understand how Spring Boot resolves configuration properties, the exact order of lookup, and why knowing this hierarchy matters for debugging and real
Oct 29, 20258 min read257
Core Java Interview Questions: Complete Guide with Answers and Examples
Mastering Core Java is essential for cracking technical interviews at top tech companies. Whether you’re preparing for coding rounds, design discussions, or scenario-based questions, having a solid grasp of Java fundamentals, memory management, multi...
Oct 15, 202537 min read129
Comparable vs Comparator Explained in Java
Learn How to Implement Custom Sorting for Your Java Objects Using Comparable and Comparator Interfaces
Jul 20, 202413 min read1.2K