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17 Posted Topics
 | 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 number greater than :59 in a Jtextfield. I can do a time application, but … |
| | 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 square instead of a new line to separate my information. … |
| | 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 firstclass and the last 5 seats are economy. For example if the person … |
| | 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 the line "output.writeUTF(number.getSelectedIndex());" [code=java] String[] numbers = … |
| | 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 the data they added will display in a data file. The problem I'm having is … |
| | 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 an array, how can I do it? Thanks in advance. [code=java] String[] numbers = … |
| | 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 can I do it. When I try to add … |
| | 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 enters an item name like Shoe in the JFormattedTextField and then selects an … |
| | 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 they want but restricted to only 25 letters for their …  |
| | 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 cases in my action performed reach out to a calculation class to perform … |
| | 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. The problem I keep getting is it won't allow me … |
| | 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 periods. Also how can I restrict a JTextField to only allowing two numbers to be … |
| | 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 chkMovie, chkAmusement and chkConcert and I have 2 checkbox groups called chkChild and chkAdult. How … |
| | 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. |
| | Hello guys. I'm currently having problems concerning displaying a student with the highest grade. I tried to start the calculation under totals but I'm currently having a hard time with it. May someone please point me in the right direction. [CODE=C] /*+*+*+*+*+*+*+* Preprocessor Directives *+*+*+*+*+*+*+*/ #include <stdio.h> #include <string.h> #include …  |
| | Hello guys, I'm currently having a problem with converting uppercase to lowercase. For example in my code below when a user enters in the class number I'm trying to let them be able to type it in both uppercase and lowercase. Like instead of only being able to type ABC101, …  |
| | I'm currently having a problem with having where it says DailyChild on my code to go up when the user adds a number. For example if they type 1 it should say 1.50. If they enter 2, it should say 3.00. But no matter what I do, it keeps printing … |
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