Leer un excel con java

mport java.io.*;
import java.sql.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.DriverManager;
import java.sql.DatabaseMetaData;
/**
*
* @author admin
* @version
*/
public class Stats {
Connection c = null;
Statement stmt = null;
String team="",action="";
ResultSet rs=null;
/*public static void main(String args[]){
Stats st=new Stats();
System.out.println("In main");
try{
st.Actions();
}catch(Exception e){
System.out.println(e.getMessage());
}
}*/
public void setTeam(String t){
this.team=t;
}
public void setAction(String a){
this.action=a;
}
public String getTeam(){
return this.team;
}
public String getAction(){
return this.action;
}
public ResultSet Actions(String dsName)throws Exception {
try {
Class.forName( "sun.jdbc.odbc.JdbcOdbcDriver" );
c = DriverManager.getConnection( "jdbc:odbc:csasDS", "joraanma", "jonathan" );
stmt = c.createStatement();
String query = "select * from [main$];";
rs= stmt.executeQuery( query );
}catch(Exception e){
throw e;
}
/*else if (args.length == 2) {
// make sure that we can write to the Excel workbook
if (c.isReadOnly()) c.setReadOnly(false);
DatabaseMetaData dbmd = c.getMetaData();
ResultSet rs = dbmd.getTables(null, null, args[0], new String[] {"TABLE"});
// drop the table if it already exists
while (rs.next()) {
System.out.println("dropping table = " + rs.getString("TABLE_NAME"));
stmt.execute("drop table [" + args[0] + "];");
}
// now create the table (worksheet)
StringBuffer sql = new StringBuffer();
sql.append("create table [" + args[0] + "] ");
sql.append("(" + args[1] + ")");
System.out.println("sql = " + sql.toString());
System.out.println(stmt.executeUpdate(sql.toString()));
} else {
// make sure that we can write to the Excel workbook
if (c.isReadOnly()) c.setReadOnly(false);
// we are expecting to insert four values:
// - merchant name
// - bill closing day of the month
// - type of payment (automatic or manual)
// - amount of payment
if (args.length == 4) {
String payType = new String();
if (args[2].equalsIgnoreCase("0"))
payType = "Manual";
else
payType = "Automatic";
String sql = new String();
sql = "Insert into [main$] ("
+ "Merchant, "
+ "Closing, "
+ "Type, "
+ "Amount) values ('"
+ args[0] + "', '"
+ args[1] + "', '"
+ payType + "', '"
+ args[3] + "')";