Hello everyone. I wanted to know how I could create a simple time restriction variable. For example making private double hour; not go over 2:59. Basically I don't want someone to be able to input a...

Hello everyone. I was having a bit of a problem with printing out a text file using Formatter. Whenever my program writes to a file it prints everything on one line and when I type \n it prints out a...

Thanks alot. It helped. The part where I need a boolean array is to show a seating chart on the plane and have it show which seats are available. I think I'll be able to take it from here. Thanks...

How can I go about doing so. Arrays are my weakest areas. I have the Java How to Program Seventh addition book which goes into details about arrays but doesn't have an example where it actually asks...

Hello everyone. I'm currently having a problem with choosing one area in an array. For what I'm working on I'm trying to pick one seat in an array consisting of 10 seats. The first 5 seats are...

Thanks alot. Sorry I angered you. I didn't know I had to add that (String) to it. That's where I was messing up. Now the proram works fine. Thanks again.

Hello guys. I asked a week ago about how to write information selected from a jcombobox to a separate datafile. I've tried numerous things and have been unsuccessful. I've been at it for about a week...

Thanks. I didn't add everything because it was an example I just made to show what my problem is. On my original version I have the output location and file done. Just having a problem with...

Currently having a problem with adding data so that if someone selects something like an add button, it keeps adding the data, like a person's name, age and grade. Then when they select Enter, all...

I understand it better now. Thanks!

How can I go about doing that. I've been searching and I'm currently unable to find the answer. I'm familiar with setting arrays of the same type, but when they're different, that's where I'm lost.

How can I store variables in an array. With a mixture of strings, variables and information entered in textfields. With what I have below. If I wanted to store numbers, price, total, tax, and name in...

I was unable to reach the first link. I think it's down. Also the only other one I can see apart from getSelectedIndex()is getSelectedItem(), and that doesn't work as well.

Hello guys. I wanted to know how I can go about writing what is selected in a Jcombobox to a datafile. This is an example of what I'm trying to do but when I compile i get an error. How can i correct...

I found out what I had to do. It's lame when you find out you make the simplest of mistakes. I needed to add an extra line newtotal = total;. Then everytime i pick the total button it adds the old...

I tried newtotal; instead of newtotal = 0; also and it didn't work.

Hello guys. I'm having a bit of difficulty with adding totals. I know how it's suppose to work but I'm not seeing what I'm doing wrong. If I want to add my total each time I hit the total button how...

Thanks again Ezz. You've really helped me out.

Hello once again everyone. I would like to know if anyone could assist me on how to insert text from a JFormattedTextField and an item from a JComboBox and place them into a JTextPane. If the user...

I apologize. I got it to work and found out what my problem was lol, but how would I use the trim() method, just for the extra knowledge. I really appreciate the help, I've been stuck on the name...

Sorry to bother you again. I've never used the trim method. How can I get that to work with the code you posted, as an example. I've implemented all the code and it compiles well but when I run the...

I tried the above code but couldn't get it to work properly. Is txtMask required or is that suppose to be the name of my JFormattedTextField? If so I'm still getting an error when I compile. How can...

Think someone marked my question as solved but I'm still in need of help.

Hello. I asked last week about how to allow the user to only enter in letters. I tried the mask formatter but that's too limited. How can I go about letting the user to enter in any kind of letters...

Thanks a lot. Everyone on here has been so helpful. I can't wait until I get to the stage where I'm able to help others.

I wasn't able to figure it out. Whenever I did the public String toString() { return name; }
I would get an error message. Maybe I'm doing it wrong but I wouldn't know if I am. From the example I...

Hello. I'm having troubles with my JComboBox calculations. For example, if the strings in my JComboBox were String[] name = { "John", "Tom" }; And Tom was assigned 15% to his name. How can I have the...

Hello. I now know how to allow the user to enter only numeric input in a FormattedTextField. What I need help with now is how to allow the user to only input letters. An example is what I have below....

I looked through it, worked perfectly. Thanks alot for the help!

I tried some of the codes out and still couldn't find a solution. I'll give an example of what I'm trying to do. If I have a field named "JTextField num= new JTextField(10);", how can I make this...

Thanks alot!

May I get an example of how I would do that please. I don't know how to set up constraints at all. I don't really need it for what I'm doing but it would save me some trouble from throwing...

Hello everyone. I had a quick question. How can I go about setting constraitnts for a JTextField. I'm trying to not allow users to enter any non numeric numbers, except for dollar signs, commas and...

This is a sample code that i just made to show you guys what my problem is. In my mind I know how the calculating should work, like I described earlier. My problem is actually implementing it in...

I'll go ahead and post it up in a few. Thanks for taking the time to help me out.

Yea that's what I'm trying to do, but implementing it in code is what I find difficult.

I have an important question at the moment. I wanted to know how I can go about multiplying or adding checkboxes to display information on a label. For example if I have 3 checkboxes labeled...

Sorry I mistakely removed it. This is it again but fixed up. Just need to know how I can make it more simple.

public class checkbook
{//begin class
public static void main(String[] args)...

I figured it out. I misspelled deposited twice in the program lol. But if you guys can help me out with making the code simplier, please let me know.

Hello guys. I needed some help with my calculations. I'm having a problem with having my output display the total amount. I believe the problem is coming from trying the float calculation.