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 {
  List parts = new ArrayList();
  for (int n = 1; n <= 4; n++)
    parts.add(new JButton("Yo " + n));
  showPackedFrame("4 Choices", vgrid(parts));
}


static void showPackedFrame(String title, Component contents) {
  packFrame(showFrame(title, contents));
}
static JPanel vgrid(List parts) {
  return vgrid(asArray(parts));
}

static JPanel vgrid(Object... parts) {
  JPanel panel = new JPanel();
  panel.setLayout(new GridLayout(parts.length, 1));
  smartAdd(panel, parts);
  return panel;
}

static Object[] asArray(List l) {
  return toObjectArray(l);
}
static int packFrame_minw = 150, packFrame_minh = 50;

static void packFrame(JFrame frame) {
  frame.pack();
  frame.setSize(
    max(frame.getWidth(), packFrame_minw),
    max(frame.getHeight(), packFrame_minh));
}
static void smartAdd(JPanel panel, Object... parts) {
  for (Object o : parts) {
    Component c;
    if (o instanceof String)
      c = new JLabel((String) o);
    else if (o instanceof Component)
      c = wrap((Component) o);
    else
      continue;
    panel.add(c);
  }
}
static JFrame showFrame() {
  return makeFrame();
}

static JFrame showFrame(Component content) {
  return makeFrame(content);
}

static JFrame showFrame(String title) {
  return makeFrame(title);
}

static JFrame showFrame(String title, Component content) {
  return makeFrame(title, content);
}

static int max(int a, int b) {
  return Math.max(a, b);
}

static long max(int a, long b) {
  return Math.max((long) a, b);
}

static long max(long a, long b) {
  return Math.max(a, b);
}

static double max(int a, double b) {
  return Math.max((double) a, b);
}

static int max(Collection<Integer> c) {
  int x = Integer.MIN_VALUE;
  for (int i : c) x = max(x, i);
  return x;
}

static double max(double[] c) {
  if (c.length == 0) return Double.MIN_VALUE;
  double x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}
static JFrame makeFrame() {
  return makeFrame((Component) null);
}

static JFrame makeFrame(Component content) {
  // TODO: get program ID
  return makeFrame("A JavaX Frame", content);
}

static JFrame makeFrame(String title) {
  return makeFrame(title, null);
}

static JFrame makeFrame(String title, Component content) {
  JFrame frame = new JFrame(title);
  if (content != null)
    frame.getContentPane().add(content);
  frame.setBounds(300, 100, 500, 400);
  frame.setVisible(true);
  //exitOnFrameClose(frame);
  return frame;
}
static Object[] toObjectArray(List list) {
  return list.toArray(new Object[list.size()]);
}
static Component wrap(Component c) {
  if (c instanceof JTable || c instanceof JList || c instanceof JTextArea)
    return new JScrollPane(c);
  return c;
}

}