help in Layout

code is like this

Panel buttons = new Panel(new BorderLayout());            
            buttons.add(add,BorderLayout.NORTH);
buttons.add(del,BorderLayout.SOUTH);

Panel top = new Panel(new GridLayout(1,3));            top.add(List1);
top.add(buttons);
top.add(List2);
            
add(top);

.....

//////////////////////////////////
//THE SwingStart PROGRAM.//
//////////////////////////////////

import java.awt.*;
import java.awt.event.*;
import com.sun.java.swing.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.border.*;
public class SwingStart extends Frame {
 public static int WIDTH = 450;
 public static int HEIGHT = 450;
 public static String TITLE = "SwingStart";
 // Swing components
 JTabbedPane tabbedPane = new JTabbedPane();
 JPanel buttonPanel = new JPanel();
 JPanel barPanel = new JPanel();
 JPanel listPanel = new JPanel();
 JPanel tablePanel = new JPanel();
 JPanel[] panels = {buttonPanel,barPanel,listPanel,tablePanel};
 Icon worldIcon = new ImageIcon("world.gif");
 Icon printerIcon = new ImageIcon("printer.gif");
 Icon leaf1Icon = new ImageIcon("leaf1.gif");
 Icon leaf2Icon = new ImageIcon("leaf2.gif");
 Icon leaf3Icon = new ImageIcon("leaf3.gif");
 Icon[] leaves = {leaf1Icon, leaf2Icon, leaf3Icon};
 JButton printerButton = new JButton("Print",printerIcon);
 JToggleButton worldButton = new JToggleButton("Connect",worldIcon,true);
 JList leafList = new JList(leaves);
 JSlider slider = new JSlider(JSlider.VERTICAL, 0, 100, 60);
 JProgressBar progressBar = new JProgressBar();
 String[] columns = {"Product ID","Description","Price"};
 Object[][] cells = {columns,{"zvga-1234","Video Card","$50"},
{"56m-11","56K Modem","$315"},
  {"dc-10","Net Card","$499"}};
 JTable table = new JTable(cells,columns);
 {
  super(TITLE);
  addWindowListener(new WindowHandler());
  buildGUI();
  setSize(WIDTH,HEIGHT);
  setBackground(Color.darkGray);
  show();
 }
 
 void buildGUI() {
  // Set up tabbed pane
  String[] tabs = {"Buttons","Bars","Lists","Table"};
  String[] tabTips = {"A Button and a Toggle Button",
   "A Slider and a Progress Bar",
   "An Icon List",
   "A Cost Table"};
  for(int i=0;i<tabs.length;++i) {
   panels[i].setBackground(Color.lightGray);
   panels[i].setBorder(new TitledBorder(tabTips[i]));
   tabbedPane.addTab(tabs[i],null,panels[i],tabTips[i]);
  }
  addComponentsToTabs();
  add("Center",tabbedPane);
 }
 void addComponentsToTabs() {
  setupButtonPanel();
  setupBarPanel();
  setupListPanel();
  setupTablePanel();
}
 void setupButtonPanel() {
  printerButton.setBackground(Color.white);
  worldButton.setBackground(Color.white);
  buttonPanel.add(printerButton);
  buttonPanel.add(worldButton);
 }
 
 void setupBarPanel() {
  slider.setMajorTickSpacing(10);
  slider.setMinorTickSpacing(5);
  slider.setPaintTicks(true);
  slider.addChangeListener(new SliderHandler());
  progressBar.setOrientation(JProgressBar.HORIZONTAL);
  progressBar.setMinimum(0);
  progressBar.setMaximum(100);
  progressBar.setValue(60);
  progressBar.setBorderPainted(true);
  barPanel.add(new JLabel("Slider"));
  barPanel.add(slider);
  barPanel.add(new JLabel("Progress Bar"));
  barPanel.add(progressBar);
}
 
 void setupListPanel() {
  leafList.setFixedCellHeight(123);
  listPanel.add(leafList);
 }
 
 void setupTablePanel() {
  tablePanel.add(table);
 }
 public static void main(String[] args) {
   SwingStart app = new SwingStart();
 }
 public class WindowHandler extends WindowAdapter {
  public void windowClosing(WindowEvent e) {
   System.exit(0);
  }
 }
 public class SliderHandler implements ChangeListener {
  public void stateChanged(ChangeEvent e) {
   progressBar.setValue(slider.getValue());
  }
 }
}

Adjusted points from 95 to 155

Jerson,

I will go with gridBagLayout and thnaks for that!!! it is very teachable ,I will try not to ask you question but can you help me if i need?

Thanks you!

Sure... no problem... also check this one

http://pandonia.canberra.edu.au/java/xadvisor/gridbag/gridbag.html

best regards...
Jerson

Sure... no problem... also check this one

http://pandonia.canberra.edu.au/java/xadvisor/gridbag/gridbag.html

best regards...
Jerson

thanks i finished that !wow that link is superb

yeah.. I read it while I was preparing for the SCJP exam. :)

Jerson

I printed and raed the whole article and did another layout in guess what ? 25 mins while it took me 2 days to get the first one working nicely.

but did you know that there is a bug for GridBagLayout and it's removed only in latest 2 versions f JDK?

Thanks you!

:)