import java.sql.*;

String driver = "com.mysql.jdbc.Driver"; // MySql driver

Class.forName(driver);

Connection con=DriverManager.getConnection("jdbc:mysql://localhost/test","root","pass");

ResultSet result = null;
String query = "SELECT * FROM client";

try {

    Statement stmt = con.createStatement();
    result = stmt.executeQuery(query);

} catch (SQLException e) {

    //if exception is throwe
}