Hi,
Here is the modified program, it compiles and execute
fine! the part you need to implement is when the user
enter the largest temperature first.
Good Luck
Manuel
/**
This program is written to convert temperatures from
and also Celsius to Fahrenheit or from Fahrenheit to
Celsius and
to print a range of temperatures that you want.
*/
import javax.swing.*;
public class TempConv
{
public static void main(String[] args)
{
String temp;
int tempC, tempF, temp2;
double temp1, degreesC, degreesF;
String degrees,startTemp, endTemp;
temp =
JOptionPane.showInputDialog("Enter any temperature
(either Celsius or Farhenheit that you would like
to convert");
temp1 = Double.parseDouble(temp);
degrees =
JOptionPane.showInputDialog("Enter C to convert
Celsius or F Fahrenheit.");
if (degrees.equalsIgnoreCase("c")) {
degreesF = temp1;
degreesC = 5 * (degreesF - 32)
/9;
JOptionPane.showMessageDialog(null, degreesF + "
Fahrenheit = " + degreesC + " Celsius");
}
else if (
degrees.equalsIgnoreCase("f")) {
degreesC = temp1;
degreesF = ( 9 * (degreesC) / 5
) + 32;
JOptionPane.showMessageDialog
(null, degreesC + " Celsius = " + degreesF + "
Fahrenheit.");
}
startTemp =
JOptionPane.showInputDialog("Enter a whole number
starting tempterature.");
endTemp =
JOptionPane.showInputDialog("Enter a whole number
ending temperature higher than the starting
temperature.");
degrees =
JOptionPane.showInputDialog("To convert to Celsius
enter C and to convert to Fahrenheit enter
F");
//Convert numbers from type String to
type int
temp2 = Integer.parseInt(startTemp);
tempC = Integer.parseInt(endTemp);
JTextArea outputTextArea = new
JTextArea();
if ( (temp2 <= tempC) &&
(degrees.equalsIgnoreCase("c"))) {
//loop to print the range temp
for (int i=temp2; i <= tempC; i++)
{
temp2 = 5 * ( temp2 - 32 ) /
9;
outputTextArea.append(i + " F
= " + temp2 + " C \n");
//temp2++;
}
JOptionPane.showMessageDialog(null,outputTextArea,"List
of
Temperatures",JOptionPane.INFORMATION_MESSAGE);
System.exit(0); // exit system
}
else if ( (temp2 <= tempC) &&
(degrees.equalsIgnoreCase("f"))) {
//loop to print the range temp
for (int i=temp2; i <= tempC; i++)
{
temp2 = ( 9 * (temp2) / 5) +
32;
outputTextArea.append(i + " C
= " + temp2 + " F \n");
//temp2++;
}
JOptionPane.showMessageDialog(null,outputTextArea,"List
of
Temperatures",JOptionPane.INFORMATION_MESSAGE);
System.exit(0); // exit system
}
if (temp2 > tempC) {
temp2 = temp2 - tempC;
startTemp =
JOptionPane.showInputDialog("Your starting temperature
is: " +temp2 + " above your ending
temperature. \n" + "Please choose another number lower
than: " + endTemp);
System.exit(0);
}
else
{
degrees =
JOptionPane.showInputDialog("Please enter either C to
convert to Celsius or F to convert to
Fahrenheit.");
}
}
}
--- njdude20 <[EMAIL PROTECTED]> wrote:
>
> I am very new to Java programming and I am taking
> courses online
> through the University of Maryland. I need help
> figuring out how to
> fix the problem in one of the programs I am writing.
> I am entering
> the program in JCreator and when I go to compile the
> program I get
> an error message of incompatiable types. How do I
> fix this? Here is
> the file:
> /**
> This program is written to convert temperatures
> from
> and also Celsius to Fahrenheit or from Fahrenheit
> to Celsius and
> to print a range of temperatures that you want.
> */
> import javax.swing.*;
>
> public class TempConv
> {
> public static void main(String[] args)
> {
> String temp;
> int startTemp, endTemp, tempC, tempF, temp2;
> double temp1, degreesC, degreesF;
> char degrees;
>
> temp = JOptionPane.showInputDialog(
> "Enter any temperature (either Celsius or
> Farhenheit that you would like to convert");
> temp1 = Double.parseDouble(temp);
>
> degrees = JOptionPane.showInputDialog(
> "Enter C to convert Celsius or F
> Fahrenheit.");
>
> if ( (degrees == 'c') || (degrees == 'C') )
> {
> degreesF = temp1;
> degreesC = 5 * (degreesF - 32) /9;
> JOptionPane.showMessageDialog(null,
> degreesF + " Fahrenheit = "
> + degreesC + " Celsius");
> }
> else if ( (degrees == 'f') ||
> (degrees == 'F') )
> {
> degreesC = temp1;
> degreesF = ( 9 *
> (degreesC) / 5 ) + 32;
> JOptionPane.showMessageDialog
> (null,
> degreesC + " Celsius
> = " + degreesF + " Fahrenheit.");
> }
>
> else
> {
> degrees =
> JOptionPane.showInputDialog(
> "Enter either C to
> convert to Celsius or F to convert to Fahrenheit");
> }
>
> startTemp = JOptionPane.showInputDialog(
> "Enter a whole number starting
> tempterature.");
>
> endTemp = JOptionPane.showInputDialog(
> "Enter a whole number ending temperature
> higher than the starting temperature.");
>
> degrees = JOptionPane.showInputDialog(
> "To convert to Celsius enter C and to
> convert to Fahrenheit enter F");
> temp2 = startTemp;
>
> if ( ( (temp2 <= endTemp) && ( (degrees == 'c') ||
>
> (degrees == 'C') ) ) )
> {
> tempC = 5 * ( temp2 - 32 ) / 9;
> JOptionPane.showMessageDialog(null,
> temp2 + " F = " + tempC + " C \n");
> temp2++;
> }
> else if ( ( (temp2 <= endTemp) && ( (degrees ==
> 'f')
> || (degrees == 'F') ) ) )
> {
> tempF = ( 9 * (temp2) / 5) + 32;
> JOptionPane.showMessageDialog(null,
> temp2 + " C = " + tempF + " F \n");
> temp2++;
> }
> else if (temp2 > endTemp)
> {
> temp2 = temp2 - endTemp;
> startTemp = JOptionPane.showInputDialog(
> "Your starting temperature is: " +
> temp2 + "above your ending temperature. \n" +
> "Please choose another number lower
> than: " + endTemp);
> }
> else
> {
> degrees = JOptionPane.showInputDialog(
> "Please enter either C to convert to Celsius
> or F to convert to Fahrenheit.");
> }
>
> }
> }
>
>
>
>
__________________________________
Do you Yahoo!?
Check out the new Yahoo! Front Page.
www.yahoo.com
------------------------ Yahoo! Groups Sponsor --------------------~-->
Make a clean sweep of pop-up ads. Yahoo! Companion Toolbar.
Now with Pop-Up Blocker. Get it for free!
http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/5cFolB/TM
--------------------------------------------------------------------~->
Yahoo! Groups Links
<*> To reply to this message, go to:
http://groups.yahoo.com/group/beginnersclub/post?act=reply&messageNum=5469
Please do not reply to this message via email. More information here:
http://help.yahoo.com/help/us/groups/messages/messages-23.html
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/beginnersclub/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
