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cant find a solution

bump! anyone?

it will be the deadline tom i cant still finish it T_T...anyone please help me

i have been trying but it affects the entire program when i try to add it

i do not know where to start..please guide me

yes 1234 will be a valid input because it contains pure numbers....


about your solution how to do it??also i am using joption not buffered

oh you dont get what i said awhileago
the problem is
1. I enter: 10String
2. The Computer Says its A Digit then After i press Ok My Program shown an error
...the problem to my program is if i...

can you now just help me to my problem?

help please



/**
* @(#)activity2.java
*
*
* @author
* @version 1.00 2012/10/1

anyone??help please

already edited the if but still i have the error





/**
* @(#)activity2.java
*
*

i already have this one "else if (input.length()>1)
{
JOptionPane.showMessageDialog(null,"Invalid Input. Input a character only.");"

help please

already fixed it another new problem
if i input String10 my program output "Invalid Input. Input a character only" but if i input 10String my program will output "The Character is a Digit" the if i...

how will i make it accept 2 or more values which will not affect the other codes but only the square root of a 2 digit or more number

how to fix this??
when i input 81
my program output the squareroot is 2.828 something...

/**
* @(#)activity2.java
*
*
* @author
* @version 1.00 2012/10/1

what is the API doc??

how will i test the length??and how will it confirm that the input is not a character?


about the isLetter because i want that isLetter can be found to my source code is there a place where i can...

if i will input string10 or any not char size value the program prints out Invalid Input. Input a character only.

also about the isLetter i want it to be Place In The LowerCase And UpperCase


...

i want it to lest it from my code in the LowerCase And UpperCase part to my program..

about this
SAMPLE OUTPUT :
Enter a character: string10
Invalid Input. Input a character only.

how will...

thank you again for the help..
but what are the different keys that can be called sa symbol in java??
also how can i insert the isLetter() for my code below(what will i change to make it isLetter()...

i already add else then if i input * it will output The character is a symbol. but is there other way that when you input * and it will output The character is a symbol. with using else?? instead...

i tried your idea sir but still my program still doesnt recognize * as a symbol

if i input *.. my jcreator will not post anything instead process complete

ok i got it thanks.

but another problem why my program doesn't output The character is a symbol. if i input * but if i input $ it will output The character is a symbol.

import javax.swing.*;...

i do not know where to add the -0 to my program... or in short the one that you are telling to me sir