import java.sql.DriverManager; import java.sql.Connection; import java.sql.SQLException; public class JDBCExample { public static void main(String[] argv) { System.out.println("-------- PostgreSQL " + "JDBC Connection Testing ------------"); try { Class.forName("org.postgresql.Driver"); } catch (ClassNotFoundException e) { System.out.println("Where is your PostgreSQL JDBC Driver? " + "Include in your library path!"); e.printStackTrace(); return; } System.out.println("PostgreSQL JDBC Driver Registered!"); Connection connection = null; try { connection = DriverManager.getConnection( "jdbc:postgresql://127.0.0.1:5432/testdb", "mkyong", "123456"); } catch (SQLException e) { System.out.println("Connection Failed! Check output console"); e.printStackTrace(); return; } if (connection != null) { System.out.println("You made it, take control your database now!"); } else { System.out.println("Failed to make connection!"); } } }