JAVA JDBC

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package sk.stu.fiit;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
//import java.sql.*;

/**
 *
 * @author Administrator
 */
public class DB_Tester {

    private final String url = "jdbc:postgresql://localhost/testovacia";
    private final String pouzivatel = "postgres";
    private final String heslo = "20626mir.";

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        DB_Tester dbtest = new DB_Tester();
        dbtest.connect();
    }

    private void connect() {
        Connection conn = null;
        try {
            conn = DriverManager.getConnection(url, pouzivatel, heslo);
            System.out.println("Gratulujem si sa pripojil...");
            conn.close();
        } catch (SQLException exSQL) {
            System.out.println("Nepripojil som sa - " + exSQL.getMessage());
        }

    }

}