Calling a Function in a Database: call functions with IN, OUT, and IN/OUT parameters. : StoredProcedure « Database « Java Tutorial

1. Java Tutorial
2. Database
3. StoredProcedure

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;

public class Main {
  public static void main(String[] argv) throws Exception {
    String driverName = "com.jnetdirect.jsql.JSQLDriver";
    Class.forName(driverName);

    String serverName = "127.0.0.1";
    String portNumber = "1433";
    String mydatabase = serverName + ":" + portNumber;
    String url = "jdbc:JSQLConnect://" + mydatabase;
    String username = "username";
    String password = "password";

    Connection connection = DriverManager.getConnection(url, username, password);
    CallableStatement cs = connection.prepareCall("{? = call myfunc}");

    // Register the type of the return value
    int intValue = 0;
    cs.registerOutParameter(1, intValue);

    // Execute and retrieve the returned value
    cs.execute();
    String retValue = cs.getString(1);

  }
}