📚 Learn and Master OOP Concepts in Java! This repository is a comprehensive collection of Object-Oriented Programming (OOP) examples, projects, and practice problems written in Java. Perfect for students, developers, and enthusiasts looking to sharpen their Java skills. 🖥️💡

Enterprise-grade Retrieval-Augmented Generation system with autonomous agent capabilities

VUIT Enterprise Github

GPU acceleration extensions for Apache OpenNLP** to dramatically boost natural language processing performance with seamless integration and zero accuracy loss.

Embedded payment processing with fee-splitting via GP-API. Route funds across sub-merchants and configure split payment rules programmatically.

Vault-based one-click payment system for Global Payments Portico Gateway. Multi-use token creation, payment method management, and streamlined checkout with customer vault integration.

ACH/eCheck payment processing for Global Payments Portico Gateway. Direct bank account entry with routing number validation and electronic check processing across multiple languages.

Transaction reporting and analytics service for Global Payments. Interactive search, filtering, export capabilities (CSV/JSON/XML) with real-time data visualization.

Pay by Link implementation for Global Payments API Platform. Create secure payment links for remote transactions with multi-currency support.

Card payment examples for Global Payments Portico Gateway. Legacy Portico integration with tokenization, validation, and payment processing.

A modern JavaFX example project demonstrating best practices in structure, modularity, and automation.

Sample java API client. This sample retrieves a list of the collections in Span

Recurring payment setup for Global Payments Portico Gateway. Customer management, payment method storage, and automated billing schedules with Global Payments SDK.

Localized checkout experience powered by GP-API. Serve region-specific payment forms, currencies, and language preferences from a single integration.

One-click payment system with Global Payments customer vault. Secure payment method storage, multi-use token creation, and instant checkout.

CSNePS Knowledge Graph Service is a production-ready enterprise system that bridges symbolic AI reasoning with modern ontology engineering. The system combines CSNePS (Cognitive Systems for Natural language Processing and Structured information) - a powerful semantic network reasoning engine - with comprehensive OWL ontology support, advanced graph

3D Secure 2 (EMV 3DS) authentication flow using the GP Ecom gateway. Step-up and frictionless challenge scenarios with full cardholder authentication.

A comprehensive Maven learning repository with examples ranging from simple to advanced use cases. This project serves as a practical guide for understanding Apache Maven build automation and project management.

Authorization and delayed capture examples for Global Payments. Implement two-step payment processing with auth-only transactions and manual capture.

Drop-in payment UI integration examples for Global Payments SDK. Pre-built payment forms with hosted fields tokenization for rapid payment integration.