How to use

setPreferredSize

method

in

javax.swing.JPasswordField

public PasswordField(String labelText)
{
  super();
  this.setLayout(new BorderLayout());
  
  label = new JLabel(labelText);
  label.setPreferredSize(new Dimension(150, label.getPreferredSize().getSize().height));
  
  pass = new JPasswordField();
  pass.setPreferredSize(new Dimension(150, label.getPreferredSize().getSize().height));
  
  add(label, BorderLayout.NORTH);
  
  JPanel passPanel = new JPanel(new BorderLayout());
  passPanel.add(pass, BorderLayout.NORTH);            
  
  add(passPanel);
}

 private JTextField username;
private JPasswordField password;
private JPanel [] login = {new JPanel(), new JPanel()};
private JLabel usernamelabel;
private JLabel passwordlabel;

public LoginPanel(){

  setSize(200,200);
  setBackground(new Color(85,153,187));
  setBorder(BorderFactory.createEmptyBorder(70, 70, 70, 70));
  username = new JTextField();
  password = new JPasswordField();
  usernamelabel= new JLabel("Username");
  passwordlabel= new JLabel("Password");
  login[0].add(usernamelabel);
  login[0].add(username);
  login[1].add(passwordlabel);
  login[1].add(password);
  for(JPanel p : login){
    p.setBackground(new Color(85,153,187));
    this.add(p);
  }
  username.setBounds(5, 5, 100, 100);
  username.setPreferredSize(new Dimension(120,20));
  password.setPreferredSize(new Dimension(120,20));

}

passwordField.setPreferredSize(new java.awt.Dimension(70, 20));
jLabel2.setLabelFor(passwordField);

/**
 * This method initializes jTextField1
 *
 * @return JTextField
 */
private JTextField getJTextField1() {
  if (jPasswordField1 == null) {
    jPasswordField1 = new JPasswordField();
    jPasswordField1.setSize(94, 19);
    jPasswordField1.setLocation(181, 29);
    jPasswordField1.setFont(new java.awt.Font("sansserif", 0, 10));
    jPasswordField1.setPreferredSize(new java.awt.Dimension(4, 15));
    jPasswordField1.setText("xxx");
  }
  return jPasswordField1;
}
/**

/**
 * This method initializes jTextField1
 *
 * @return JTextField
 */
private JTextField getJTextField1() {
  if (jPasswordField1 == null) {
    jPasswordField1 = new JPasswordField();
    jPasswordField1.setSize(94, 19);
    jPasswordField1.setLocation(181, 29);
    jPasswordField1.setFont(new java.awt.Font("sansserif", 0, 10));
    jPasswordField1.setPreferredSize(new java.awt.Dimension(4, 15));
    jPasswordField1.setText("xxx");
  }
  return jPasswordField1;
}
/**

/**
 * This method initializes jTextField1
 *
 * @return JTextField
 */
private JTextField getJTextField1() {
  if (jPasswordField1 == null) {
    jPasswordField1 = new JPasswordField();
    jPasswordField1.setSize(94, 19);
    jPasswordField1.setLocation(181, 29);
    jPasswordField1.setFont(new java.awt.Font("sansserif", 0, 10));
    jPasswordField1.setPreferredSize(new java.awt.Dimension(4, 15));
    jPasswordField1.setText("xxx");
  }
  return jPasswordField1;
}
/**

passwordField.setPreferredSize(new java.awt.Dimension(70, 20));
jLabel2.setLabelFor(passwordField);

m_protocolComboBox.setPreferredSize(newSize);
m_usernameComboBox.setPreferredSize(newSize);
m_passwordField.setPreferredSize(newSize);

textFieldDatabaseName.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);
textFieldDatabaseUser.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);
passwordFieldDatabasePassword.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);

textFieldDatabaseName.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);
textFieldDatabaseUser.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);
passwordFieldDatabasePassword.setPreferredSize(ConstantsUI.TEXT_FIELD_SIZE_ITEM);

private void initComponents() {
  glassPane = new JWaitGlassPane(JWaitGlassPane.TYPE_DIRECTION_PING_PONG, "", null, null); //$NON-NLS-1$
  loginComboBoxModel = new LoginComboBoxModel();
  loginBox = new JComboBox(loginComboBoxModel);
  loginBox.setEditable(true);
  loginField = (JTextField) loginBox.getEditor().getEditorComponent();
  loginField.addActionListener(connectionAction);
  loginField.getDocument().addDocumentListener(new LoginDocumentListener());
  passwordField = new JPasswordField();
  passwordField.addActionListener(connectionAction);
  loginField.setPreferredSize(passwordField.getPreferredSize());
  passwordField.setPreferredSize(loginBox.getPreferredSize());
  saveLoginBox = new JCheckBox(ProfilMessages.getString("LoginDialog.5")); //$NON-NLS-1$
  saveLoginBox.addChangeListener(new SaveLoginBoxChangeListener());
  savePasswordBox = new JCheckBox(ProfilMessages.getString("LoginDialog.6")); //$NON-NLS-1$
  savePasswordBox.setEnabled(false);
  iconKeyLabel = new JLabel(ICON_KEY);
  deleteButton = new JButton(deleteAction);
  deleteButton.setBorderPainted(false);
  deleteButton.setFocusable(false);
}

passwordTextField.setPreferredSize(new java.awt.Dimension(200, 22));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;

adminPassword.setMaximumSize(null);
adminPassword.setMinimumSize(null);
adminPassword.setPreferredSize(null);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;

credentialsPanel.add(secretField);
secretField.addMouseListener(rmb);
secretField.setPreferredSize(buttonDimension);
secretField.setText(appProperties.getSecretKey());
secretField.addFocusListener(propertiesFocusListener);

jPasswordField1.setMinimumSize(new java.awt.Dimension(100, 10));
jPasswordField1.setName(""); // NOI18N
jPasswordField1.setPreferredSize(new java.awt.Dimension(150, 20));
jPasswordField1.addActionListener(new java.awt.event.ActionListener() {
  public void actionPerformed(java.awt.event.ActionEvent evt) {
jPasswordField2.setMinimumSize(new java.awt.Dimension(100, 10));
jPasswordField2.setName(""); // NOI18N
jPasswordField2.setPreferredSize(new java.awt.Dimension(150, 20));
jPasswordField2.addActionListener(new java.awt.event.ActionListener() {
  public void actionPerformed(java.awt.event.ActionEvent evt) {

txtDatabasePassword.setPreferredSize(new java.awt.Dimension(180, 24));
txtDatabasePassword.addKeyListener(new java.awt.event.KeyAdapter() {
  public void keyReleased(java.awt.event.KeyEvent evt) {