To test a JDBC driver installation using Oracle : JDBC Driver « Database « Java Tutorial

1. Java Tutorial
2. Database
3. JDBC Driver

public class MainClass {
  public static void main(String[] args) {
    try {
      String className = "oracle.jdbc.driver.OracleDriver";
      Class driverObject = Class.forName(className);
      System.out.println("driverObject=" + driverObject);
      System.out.println("your installation of JDBC Driver OK.");
    }

    catch (Exception e) {
      System.out.println("Failed: JDBC Driver Error: " + e.getMessage());
    }
  }
}