while ((mFood != "Y") || (mFood != "N"))
{
mFood = User.inputString("ENTER Y for food or N for no food");
}
well i think the code should say what i want to do
when i uinput Y i want the loop to end, same if i input N
but the loop isnt ending
help 5 2737
On Wed, 19 Apr 2006 20:03:07 +0100, Christo wrote: while ((mFood != "Y") || (mFood != "N")) { mFood = User.inputString("ENTER Y for food or N for no food"); }
well i think the code should say what i want to do
when i uinput Y i want the loop to end, same if i input N
but the loop isnt ending
There are two problems here:
- to compare Strings, use String.equals(), not ==.
- The loop condition says to continue as long as the input is unequal
to either "Y" or "N". Since this is true of *every* String, the loop
will never end. Change the condition to && (and) instead.
/gordon
--
[ do not email me copies of your followups ]
g o r d o n + n e w s @ b a l d e r 1 3 . s e
Gordon Beaton wrote: On Wed, 19 Apr 2006 20:03:07 +0100, Christo wrote: while ((mFood != "Y") || (mFood != "N")) { mFood = User.inputString("ENTER Y for food or N for no food"); }
well i think the code should say what i want to do
when i uinput Y i want the loop to end, same if i input N
but the loop isnt ending
There are two problems here:
- to compare Strings, use String.equals(), not ==.
- The loop condition says to continue as long as the input is unequal to either "Y" or "N". Since this is true of *every* String, the loop will never end. Change the condition to && (and) instead.
/gordon
You might also want to use equalsIgnoreCase instead of just equals,
but that depends on whether or not your inputString method returns only
uppercase strings, or differentiates between input strings.
Sigmund Hansen wrote: Gordon Beaton wrote: On Wed, 19 Apr 2006 20:03:07 +0100, Christo wrote: while ((mFood != "Y") || (mFood != "N")) { mFood = User.inputString("ENTER Y for food or N for no food"); }
well i think the code should say what i want to do
when i uinput Y i want the loop to end, same if i input N
but the loop isnt ending
There are two problems here:
- to compare Strings, use String.equals(), not ==.
- The loop condition says to continue as long as the input is unequal to either "Y" or "N". Since this is true of *every* String, the loop will never end. Change the condition to && (and) instead.
/gordon
You might also want to use equalsIgnoreCase instead of just equals, but that depends on whether or not your inputString method returns only uppercase strings, or differentiates between input strings.
You might also want to actually change the value of mFood each pass
through the loop...
On Wed, 19 Apr 2006 20:03:07 +0100, Christo wrote: while ((mFood != "Y") || (mFood != "N")) { mFood = User.inputString("ENTER Y for food or N for no food"); }
On Thu, 27 Apr 2006 10:43:57 +0100, JC wrote: You might also want to actually change the value of mFood each pass through the loop...
See that assignment statement?
Apparently User.inputString() takes a prompt, and returns the user's
input.
/gordon
--
[ do not email me copies of your followups ]
g o r d o n + n e w s @ b a l d e r 1 3 . s e
Gordon Beaton wrote: On Wed, 19 Apr 2006 20:03:07 +0100, Christo wrote: while ((mFood != "Y") || (mFood != "N")) { mFood = User.inputString("ENTER Y for food or N for no food"); }
On Thu, 27 Apr 2006 10:43:57 +0100, JC wrote: You might also want to actually change the value of mFood each pass through the loop...
See that assignment statement?
Apparently User.inputString() takes a prompt, and returns the user's input.
/gordon
<grin>
Silly me - didn't clock that.
</grin> This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics
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