Thread: Help

I am developing a short program of electricity bill where i taking input Reidential or commercial but i have face many problems kindly see my program code and correct the code and show my mistakes.Thanks
import java.io.*;
public class Final
{
public static void main(String args[]) throws IOException
{
InputStreamReader reader = new InputStreamReader(System.in);
BufferedReader input = new BufferedReader(reader);
System.out.print("Please Enter your Units: ");
String userInput=input.readLine();
int userUnits=Integer.parseInt(userInput);
System.out.print("Please Enter your Units type Residential ® Commercial ©: ");
String userUnitstype=input.readLine();
int unitcostC=0;
int unitcostR=0;
if
(userUnits<100 & userUnits>1)
{
unitcostC=12;
unitcostR=5;
}
else if (userUnits>=100 & userUnits<200)
{
unitcostC=17;
unitcostR=7;
}
else if (userUnits>=200 & userUnits<500)
{
unitcostC=22;
unitcostR=11;
}
else{
unitcostC=30;
unitcostR=15;
}
int totalamount1=userUnits*unitcostC;
int totalamount2=userUnits*unitcostR;
if
(userUnitstype=="C")
totalamount1=userUnits*unitcostC;
else
totalamount2=userUnits*unitcostR;
System.out.println("Your Total amount is: "+totalamount1);
System.out.println("Your Total amount is: "+totalamount2);

}
}

Please post your code in code tags. You can learn how by viewing the Announcements at the top of the What's Wrong With My Code forum. If you're getting errors, post them. If you have questions, ask them. Don't expect us to beta test/debug, correct, and post fixed code.