import java.sql.*;
public class PostgreSQLExample {
public static void main(String[] args) {
Connection connection = null;
try {
String url = "jdbc:postgresql://localhost/mydatabase";
String username = "username";
String password = "password";
connection = DriverManager.getConnection(url, username, password);
Statement statement = connection.createStatement();
ResultSet resultSet = statement.executeQuery("SELECT * FROM mytable");
while (resultSet.next()) {
String column1 = resultSet.getString("column1");
int column2 = resultSet.getInt("column2");
System.out.println(column1 + " - " + column2);
}
} catch (SQLException e) {
} finally {
try {
if (connection != null) {
connection.close();
}
} catch (SQLException e) {
}
}
}
}
