incompatible types

import java.io.*;
public class Telegram
{
public static void main ()throws IOException
{
BufferedReader dataIn=new BufferedReader (new InputStreamReader (System.in));
double no=0, cost=0, fee=0, pay=0;
String sno= "", scost= "", sfee= "", spay= "", change= "";

System.out.println("Enter number of words: ");
sno=dataIn.readLine();
no=Double.parseDouble(sno);
System.out.println("Cost per word: ");
scost=dataIn.readLine();
cost=Double.parseDouble(scost);

fee=no*cost;
System.out.println("Total fee: "+fee);

System.out.println("Amount payed: ");
spay=dataIn.readLine();
pay=Double.parseDouble(spay);

change=pay-fee;
System.out.println("Change: "+change);
}
}



what is wrong with this? please help me.

Code:

---

import java.io.*;
public class Telegram
{
    public static void main ()throws IOException
    {
    BufferedReader dataIn=new BufferedReader (new InputStreamReader (System.in));
    double no=0, cost=0, fee=0, pay=0;
    String sno= "", scost= "", sfee= "", spay= "", change= "";
   
    System.out.println("Enter number of words: ");
    sno=dataIn.readLine();
    no=Double.parseDouble(sno);
    System.out.println("Cost per word: ");
    scost=dataIn.readLine();
    cost=Double.parseDouble(scost);
   
    fee=no*cost;
    System.out.println("Total fee: "+fee);
   
    System.out.println("Amount payed: ");
    spay=dataIn.readLine();
    pay=Double.parseDouble(spay);
   
    [COLOR="#FFFF00"]change=pay-fee;[/COLOR]
    System.out.println("Change: "+change);
    }
}

---

Please use code tags when posting code.

'change' is a String.
The right hand side of that assignment is a double.
You can't assign a double to a String.

Also...yellow is almost impossible to read.

And the signature of your main() method doesn't make it the main method of your class.

kind regards,

Jos

oh. thanks.. and sorry for some of those inconveniences! i'm just new here. :(nod):