Java PostgreSQL Client

Small Java/Maven project developed for Programacao II. It demonstrates a JDBC connection to PostgreSQL and reads customer records from a database table.

Tech Stack

• Java 21
• Maven
• PostgreSQL
• JDBC

Configuration

Set the database connection through environment variables:

export PROGRAMACAO2_DB_URL="jdbc:postgresql://<host>:5432/postgres?sslmode=require"
export PROGRAMACAO2_DB_USER="<user>"
export PROGRAMACAO2_DB_PASSWORD="<password>"

Build

mvn -DskipTests package

Run

Run the org.example.Main class from an IDE or Maven-compatible Java runner after configuring the environment variables.