Input username and password in JAVA

Fri Apr 10, 2009 12:37 pm

How to take Username and Password from user in Java
if you can use java netbeans 6 point something.you can do it in design mode.just drag jlabel1 for user name then drag jtextfield ,then drag jpasswordfield for password.and drag a button for action.if you double click in button then created jButton1ActionPerformed. At last you can run this code in JButton1ActionPerformed

Code:: private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { //// Action submit button for main form submit// String user_name=jTextField1.getText(); String pasword=jPasswordField1.getText(); if(user_name==" " || pasword==" ") { JOptionPane.showMessageDialog(null,"Invalid User Name or Password","Error",JOptionPane.ERROR_MESSAGE); } if you want file upload as like text file.you can see this code for file chooser private JFileChooser fileChooser; try { fileChooser = new JFileChooser(); int result= fileChooser.showOpenDialog(this); if(result==JFileChooser.CANCEL_OPTION) { JOptionPane.showMessageDialog(null,"You Cancel it.","Warning",JOptionPane.ERROR_MESSAGE); } else { your work } catch(FileNotFoundException exception) { }

Input username and password in JAVA

Input username and password in JAVA

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