import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
public class main {


public static void main(String[] args) throws Exception {
  //JLabel label = new JLabel("Enter a password:");
  JPasswordField pass = new JPasswordField();
  /*JPanel panel = new JPanel();
  panel.add(label);
  panel.add(pass);*/
  JComponent panel = withTitle("Enter a password:", pass);

  String title = "Give password";

  String[] options = {"OK", "Cancel"};
  int option = JOptionPane.showOptionDialog(null, panel, title,
    JOptionPane.NO_OPTION, JOptionPane.PLAIN_MESSAGE,
    null, options, options[1]);
                     
  print("Option: " + option);      
  if (option == 0) { // OK
      char[] password = pass.getPassword();
      print("Your password is: " + new String(password));
  }
}

static volatile StringBuffer local_log = new StringBuffer(); // not redirected
static volatile StringBuffer print_log = local_log; // might be redirected, e.g. to main bot

// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;

static void print() {
  print("");
}

// slightly overblown signature to return original object...
static <A> A print(A o) {
  String s = String.valueOf(o) + "\n";
  StringBuffer loc = local_log;
  StringBuffer buf = print_log;
  int loc_max = print_log_max;
  if (buf != loc && buf != null) {
    print_append(buf, s, print_log_max);
    loc_max = local_log_max;
  }
  if (loc != null) 
    print_append(loc, s, loc_max);
  System.out.print(s);
  return o;
}

static void print(long l) {
  print(String.valueOf(l));
}

static void print(char c) {
  print(String.valueOf(c));
}

static void print_append(StringBuffer buf, String s, int max) {
  synchronized(buf) {
    buf.append(s);
    max /= 2;
    if (buf.length() > max) try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
  }
}
static JComponent withTitle(String title, Component c) {
  return withTitle(withTitle_titlePanel(title), c);
}

static JComponent withTitle_titlePanel(String title) {
  return new JLabel(title);
}

static JPanel withTitle(JComponent titleComponent, Component c) {
  titleComponent.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, UIManager.getColor("Button.borderColor")));
  JPanel panel = new JPanel(new BorderLayout());
  panel.setBackground(Color.WHITE);
  panel.add(BorderLayout.NORTH, titleComponent);
  panel.add(BorderLayout.CENTER, wrap(c));
  return panel;
}


static Component wrap(Component c) {
  if (c instanceof JTable || c instanceof JList || c instanceof JTextArea)
    return new JScrollPane(c);
  return c;
}

}