How to Conduct Effective Code Reviews
Code reviews are an essential part of software development that help maintain code quality, ensure security, and improve team collaboration. […]
Code Review & Optimisation
SDK & Library
Best Practices for Developing SDKs
1. Purpose of an SDK An SDK (Software Development Kit) simplifies integration with APIs by providing ready-to-use libraries, classes, and
Testing, Unit Testing
Unit Testing – Basics
1. Test Runner Example: Here, JUnit4 is the test runner that executes sampleTest(). 2. Test Case Example: Here, shouldReturnCorrectSpeed() is
Android
Facebook’s New Security Changes for Developer Apps (WordPress-ready)
Facebook rolled out important security changes that affect how developer apps handle credentials, access tokens, and user sessions. These updates
Java, Software Security
Java Security Libraries & Class Guide (SSL/TLS, KeyStore, KeyManagers, TrustManagers)
A concise, developer-friendly reference for Java security primitives and common patterns: SSLContext, KeyStore, KeyManagerFactory, TrustManagerFactory, cryptography classes, and a clear
Certificate, Software Security
Creating a Self-Signed Certificate Using Java Keytool (Command-Line Guide)
When working with Java applications that use SSL/TLS, you often need a digital certificate to enable secure communication. For development
Android, Software Security
Android Security Best Practices for Developers
Building secure Android apps goes beyond writing functional code — it’s about ensuring data protection, secure communication, and safe user
Hashing, Software Security
Understanding Message Digest (MD) or Digital Fingerprint
A Message Digest (MD), also known as a digital fingerprint, is a hashing algorithm that generates a unique, fixed-length value
Interview Preparation, Java, JVM
Understanding Java Thread Deadlock — Example and Explanation
What is a Deadlock in Java? A deadlock occurs when two or more threads are waiting for each other’s resources
Design Patterns, Solutions Architecture
System Design Guidelines — OOSD Case Study: Multi-Level Parking Lot
Topic: Design a Multi-Level Parking Lot using Object-Oriented System Design (OOSD) principlesAsked in interviews at: Amazon, Apple, Google, etc. Design