Hay algunas cosas que podríamos observar sobre el código:
import java.sql.*;
public class InsertRows {
public static void main(String args[]) {
String url = "jdbc:mySubprotocol:myDataSource";
Connection con;
Statement stmt;
try {
Class.forName("myDriver.ClassName");
} catch(java.lang.ClassNotFoundException e) {
System.err.print("ClassNotFoundException: ");
System.err.println(e.getMessage());
}
try {
con = DriverManager.getConnection(url, "myLogin", "myPassword");
stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
ResultSet uprs = stmt.executeQuery("SELECT * FROM COFFEES");
uprs.moveToInsertRow();
uprs.updateString("COF_NAME", "Kona");
uprs.updateInt("SUP_ID", 150);
uprs.updateFloat("PRICE", 10.99f);
uprs.updateInt("SALES", 0);
uprs.updateInt("TOTAL", 0);
uprs.insertRow();
uprs.updateString("COF_NAME", "Kona_Decaf");
uprs.updateInt("SUP_ID", 150);
uprs.updateFloat("PRICE", 11.99f);
uprs.updateInt("SALES", 0);
uprs.updateInt("TOTAL", 0);
uprs.insertRow();
uprs.beforeFirst();
System.out.println("Table COFFEES after insertion:");
while (uprs.next()) {
String name = uprs.getString("COF_NAME");
int id = uprs.getInt("SUP_ID");
float price = uprs.getFloat("PRICE");
int sales = uprs.getInt("SALES");
int total = uprs.getInt("TOTAL");
System.out.print(name + " " + id + " " + price);
System.out.println(" " + sales + " " + total);
}
uprs.close();
stmt.close();
con.close();
} catch(SQLException ex) {
System.err.println("SQLException: " + ex.getMessage());
}
}