Class.forName("org.postgresql.Driver");
String url = "jdbc:postgresql://localhost:5432/mydatabase";
String user = "myusername";
String password = "mypassword";
Connection connection = DriverManager.getConnection(url, user, password);
String sql = "SELECT * FROM mytable";
Statement statement = connection.createStatement();
ResultSet resultSet = statement.executeQuery(sql);
while (resultSet.next()) {
int id = resultSet.getInt("id");
String name = resultSet.getString("name");
System.out.println("ID: " + id + ", Name: " + name);
}
resultSet.close();
statement.close();
connection.close();
