Second option is simpler. I thought I could be clever and discover something new, but it is not my day today :cheesy:
I will check user input with Character.isDigit() and kick of error message if anything wrong
I don't think so . . .
They are allow only to numbers but whole range of numbers, well zero onwards. Drop down box is good if you code calendar and don't know any other technique to do it(as their better then this) or you want to give them certaine values
@peter budo The quickest solution is what titaniumdecoy suggested...Use a JFormattedTextField to restrict input to numbers. Not sure why some of the other solutions here contain a book of code to do such a simple task.
Hi, as I was told that my code doesn’t scale well at all, I thought perhaps I’d try to get a better understanding of interfaces/abstract classes and classes and the relationship between them.
I don’t want at this stage work on a big separate project as I've already got plenty ...
I am writing a java program that needs to execute shell commands, so I wrote a function that would take the command to execute as a string (ie: "mkdir ~/Folder1") and execute that command with the shell. Here is the function:
Runtime run = Runtime.getRuntime();
Process pr = ...
Hi. I have a form with list box : lst_product, datagridview : grd_order and button: btn_addline. lst_product has a list of product ids selected from database (MS Acess 2013) , grd_order is by default empty except for 2 headers and btn_addline adds rows to grd_order.