Trading System

Introduction:

This is a Java-based trading system. It allows users to perform CRUD (Create, Read, Update, and Delete) operations on trades. The system also checks for valid trade versions and maturity dates.

Technologies Used:

Java 8 Spring Framework (Spring Boot, Spring Data JPA) MySQL

Code Files

Trade.java

This file defines the Trade entity with its properties and annotations.

TradeRepository.java

This file contains the TradeRepository interface which extends JpaRepository and provides methods for CRUD operations.

TradeService.java

This file contains the TradeService interface with methods for performing business logic on Trade entities.

TradeServiceImpl.java

This file contains the implementation of TradeService with methods for business logic implementation.

TradeApplication.java

This is the main file that runs the Spring Boot application.

Exception Handling

The system handles exceptions such as trade version mismatch and invalid maturity dates by returning null values.

References

Spring Framework Documentation

Spring Boot Documentation

Spring Data JPA Documentation