My first Messenger Bot, using Java.
Building my first Messenger bot in Java: from Facebook platform docs to a working chatbot, a beginner's journey.…
Spring Boot: Excel, Csv and Pdf view example
Export data from Spring Boot as Excel, CSV, and PDF views with content negotiation and Spring MVC view resolvers.…
Spring Boot token authentication using JWT
Token authentication in Spring Boot with JWT: secure REST services without server-side sessions, implemented step by step.…
Switching between Java Versions on Ubuntu linux
Switch between Java versions on Ubuntu with update-alternatives: manage multiple JDKs cleanly for development.…
SOCKET PROGRAMMING – JAVA SWING & ANDROID
Socket programming example: a client-server chat app with Java Swing and Android using java.net. A beginner-friendly walkthrough.…