Password « Text Input « Java Swing Q&A





1. Why does JPasswordField.getPassword() create a String with the password in it?    stackoverflow.com

Swing's JPasswordField has the getPassword() method that returns a char array. My understanding of this is that the array can be zeroed immediately after use so that ...

2. Is there an alternative to JPasswordField?    stackoverflow.com

When typing a passphrase like

yeast bulk seize is shows pain
everybody can hear tapping the space bar, so it seems logical to display the spaces in the password field, too. So I'd ...

3. a simple gui in java for validation username and password    stackoverflow.com

How can I complete this code for validation user name and password?

public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public ...

4. Swing Accessing Another Window Fault    stackoverflow.com

import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
import java.util.Arrays;

/* PasswordDemo.java requires no other files. */

public class PasswordDemo extends JPanel
                 ...

5. How do i make passwords that users enter in Java GUI's not show their values as the user types them?    stackoverflow.com

So basically, trying to figure out how to hide values that users enter in the GUI (ie. java swing, awt) for their passwords. For example ** as opposed to the ...

6. Can't make a username password program    stackoverflow.com

Please help! I'm new, but I'm not new to Java. When I run this code and hit the submit button, nothing happens. I haven't even started with the actual login validation ...

7. how to upload, download file from tomcat server with username,password in swing    stackoverflow.com

I want to make a program in swing which connect to tomcat server running locally. with username,password authentication, then user able to upload file in server directory. ie.http://localhost:8080/uploadfiles. from user ...

8. How do I require login authentication before the main app loads with Netbeans Generated code?    stackoverflow.com

Heads up I am very new to Java, 2 days experience so far. I am trying to require my program to show my login form, which is a separate class, and ...

9. Validity control and password comparison in a form in Java    stackoverflow.com

I am trying to add validity control in a form like

  • no empty fields are allowed
  • email address has to be in the format name@domain
  • date has to be in the format dd.mm.yyyy
  • to compare ...





10. Password field in Swing application not recoginized    jmeter.512774.n5.nabble.com

I'm recording a Swing based application, a pop-window with username and password field , problem is with password field (JPasswordField) not getting reocoginized. Expecting a quick reply

11. Custom Password Dialog    coderanch.com

13. Login Name & Password Verification    coderanch.com

14. how to make password protected jar file?    coderanch.com

Hi guys, I have done one executive jar file which will execute on dble click. But i wanted to put it on security aspect . It should ask me pwd while extracting for safety. I know it is done in jdk1.4. It is done through keytool & jarsigner. but is it possible to do it without the certificate of vendor. Or ...

15. Password    coderanch.com

Hello all, i have a problem with text box. i want the text box to intake password. i want the password to be displayed as "******" as in general any password text box have. i dont know how to do it in awt/swing. anybody to help will be appretiated. thanks in advance. sachin

16. suggest me a better way to store passwords!!    coderanch.com

Here is a class that uses MD5 encryption to store passwords. Bascially, the user will give you a password then you encrypt it and store the encrypted version. So when the user gives you a password later, you encrypt it and compare that with the stored encrypted password. Hope this helps. When you use MD5 encryption you have to keep in ...





17. password masking & unmasking!!    coderanch.com

18. password checking    coderanch.com

19. I enter a password into a JPasswordField, but nothing happens??    coderanch.com

hi guys, I have to include a password for the program I'm writing. So I decided to include a JPasswordField within the Main Class. Don't worry about the password itself (as in its security) or the user names, becuase it's part of a GUI, so it's all "faked". I'm posting my code for this class, I hope somebody can point out ...

20. Popup Change Password Dialog    coderanch.com

21. Password creation using rng.nextInt()    coderanch.com

I used rng.nextInt()to generate both username and password. The username is fine but the password contains wild character that I want to eliminate. How? Here is some code: private void makePassWord() { int numEven = 0; int numOdd = 0; for(int k=0; k<4; k++) { numEven = rng.nextInt(65)+26; // any upper case letter or @ passWord += (char) numEven; numOdd = ...

22. Where should i store my password file?    coderanch.com

I m mking one appliction in which i have to store my password file.My problem is that where should is store my password file and how should i store so that no one can corrupt my file. I mean to say that every file can be open in notepad and even if i would have encrypted my file anyone can corrupt ...

24. JOptionPane password input    coderanch.com

25. Password Input Box    coderanch.com

26. JMenus - Existing User Password and Populating Fields    coderanch.com

Hello everyone!! I am having two problems with a JMenu program I am working on. First, the Existing User Panel - I know that I need a for loop to determine if the password entered for an existing user is in the ArrayList Users, however when determining if the password entered is "terminator" (which is the guest password) I do not ...

27. Password Circles    coderanch.com

hey i was just wondering how to get the effect when someone types in there password, say to a jtextfield, and instead circles come up. Im doing a project for my sofware engineering class and my professor is real anal about stuff like that. so any help would be great. sincerely, Chris Dancy

29. Restart login if a wrong password is writed. (Java Swing)    coderanch.com

Hello, I have some experience in Java, but very little in Swing. I'm doing a GUI application using Java Swing and the first thing I do is that the user enter a password and depending on whether correct or not repeat the process or continue. To do this I have a frame for the Login and another for the rest of ...

30. Help with password matches    java-forums.org

import javax.swing.JOptionPane; import java.lang.*; public class Logpass { public static void main(String [ ] args) { char ID; char password; String input1 = JOptionPane.showInputDialog(null, "Please enter your ID."); String input2 = JOptionPane.showInputDialog(null, "Please enter youe password."); if( input1.equals( "admin" ) && input2.equals( "open" )) { JOptionPane.showMessageDialog(null, "Welcome"); } else if( ) { JOptionPane.showMessageDialog(null, "Wrong ID"); } else if( ) { JOptionPane.showMessageDialog(null, ...

31. Help me c n edit the password Genarator code !! EMERGENCY    java-forums.org

import javax.swing.*; import java.awt.*; import java.awt.event.*; public class passGen implements ActionListener { private JFrame f; private JRadioButton r1,r2,r3,r4; private JLabel lblLength; private JTextField txt,txtLength; private JButton gen,exit; private JPanel p1,p2,p3,p4; public passGen() { f = new JFrame("Password Generator"); gen = new JButton("generate"); exit = new JButton("exit"); txt = new JTextField(10); lblLength = new JLabel("Enter length of password:"); txtLength = new JTextField(10); ...

32. Help, created a username and password box    java-forums.org

33. Getting logged in user's password.    java-forums.org

34. add password to folder    java-forums.org

35. New to GUI. Logging in with Password and username    java-forums.org

I have tried and tried, but I am getting nowhere by myself. Basically There is three different types to login to the program; an admin, student or faculty. As of right now I am trying to get the easiest out of the way, which I would think would be admin (ID is admin Password is admin). Student and faculty are in ...

36. Glassfish v3.1 - Administrator Password GUI Error    java.net

SEVERE: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException while attempting to process a 'beforeCreate' event for 'event265'. SEVERE: at com.sun.jsftemplating.layout.descriptors.LayoutElementBase.dispatchHandlers(LayoutElementBase.java:422) SEVERE: at com.sun.jsftemplating.layout.descriptors.LayoutElementBase.dispatchHandlers(LayoutElementBase.java:394) SEVERE: at com.sun.jsftemplating.layout.descriptors.LayoutComponent.beforeCreate(LayoutComponent.java:348) SEVERE: at com.sun.jsftemplating.layout.descriptors.LayoutComponent.getChild(LayoutComponent.java:288) SEVERE: at com.sun.jsftemplating.layout.LayoutViewHandler.buildUIComponentTree(LayoutViewHandler.java:556) SEVERE: at com.sun.jsftemplating.layout.LayoutViewHandler.buildUIComponentTree(LayoutViewHandler.java:551) SEVERE: at com.sun.jsftemplating.layout.LayoutViewHandler.buildUIComponentTree(LayoutViewHandler.java:507) SEVERE: at com.sun.jsftemplating.layout.LayoutViewHandler.buildUIComponentTree(LayoutViewHandler.java:507) SEVERE: at com.sun.jsftemplating.layout.LayoutViewHandler.createView(LayoutViewHandler.java:255) SEVERE: at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:238) SEVERE: at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97) SEVERE: at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:107) SEVERE: at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114) SEVERE: at javax.faces.webapp.FacesServlet.service(FacesServlet.java:334) SEVERE: at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1518) SEVERE: at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:339) SEVERE: ...

37. Admin GUI: can't change password; error occurs    java.net

On a side note, I just installed a fresh 3.1b19. When I type asadmin login and give the admin user and the default out-of-the-box password of "adminadmin", authentication fails. So as far as I know there is no user that can log in to the asadmin tool. How can I correct this problem?