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I think I understand now. Thanks for your help!!! :o

I'm using Netbeans and I get the id, name and department. If I type, for example, 'try' in the save dialog I get a file that I have to open manually(notepad in windows 10), but if I type 'try.txt' I...

I included most of the code. The code works for me too, but when i go check the file, the format is in file extension. I've tried txt, me, saf etc and still I get file extension.

public class main extends javax.swing.JFrame {

public main() {
initComponents();
}

@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed"...

Thanks. Have some errors in the extension filters but I'll look it up. :D

Hi everyone! I am learning java programming in my spare time and I'm having trouble with some parameters in showSaveDialog. I can´t get the save dialog to appear. Any suggestions will be helpful....

Thank you very much!!!

Hi, I have reposted all the codes. It is a small test program for learning. Regards.

Netbeans is giving me the wrong sum.


package sum;

import java.util.Random;

public class Sum {

public static void main(String[] args) {