GUI size problem

Question

When I run this code the GUI doesn't provide enough space for my buttons. It provides enough room for my JLabels and TextFields, but cut's off the buttons.
public class ReceivingOrganizer extends JPanel
     private JFrame frame;
     private JPanel jpMain, jpLine1, jpLine2, jpCheckBoxPanel;
     private JLabel jlContainer, jlSeal, jlTopInstruct;
     private JButton find, print;
     private JFormattedTextField ftfContainer, ftfSeal;
     public static void main(String[] args)
          ReceivingOrganizer object = new ReceivingOrganizer();
          object.createGUI();
     public ReceivingOrganizer()
          super(new GridBagLayout());
          GridBagConstraints c = new GridBagConstraints();
          jpMain = new JPanel(new GridBagLayout());
          jpMain.setBorder(BorderFactory.createEmptyBorder(30,30,30,30));
          jlTopInstruct = new JLabel("Enter container number or seal number: ");
          c.gridwidth=GridBagConstraints.REMAINDER;
          jpMain.add(jlTopInstruct, c);
          c.gridwidth= GridBagConstraints.RELATIVE;
          jlContainer = new JLabel("Container: ");
          jpMain.add(jlContainer, c);
          c.gridwidth= GridBagConstraints.RELATIVE;
          ftfContainer = new JFormattedTextField();
          ftfContainer.setColumns(15);
          jpMain.add(ftfContainer, c);
          //ftfContainer.addKeyListener(this);
          c.gridwidth= GridBagConstraints.REMAINDER;
          c.fill=GridBagConstraints.BOTH;
          find = new JButton("Find");
          jpMain.add(find, c);
          //find.setActionCommand("find");
          //find.addActionListener(this);
          c.gridwidth= GridBagConstraints.RELATIVE;
          jlSeal = new JLabel("Seal: ");
          jpMain.add(jlSeal, c);
          ftfSeal = new JFormattedTextField();
          ftfSeal.setColumns(15);
          jpMain.add(ftfSeal, c);
          //ftfSeal.addKeyListener(this);
          c.gridwidth= GridBagConstraints.REMAINDER;
          print = new JButton("Print");
          print.setEnabled(false);
          jpMain.add(print, c);
          //print.setActionCommand("print");
          //print.addActionListener(this);
          jpMain.setMinimumSize(jpMain.getSize());
          add(jpMain, c);
     public void createGUI()
          frame = new JFrame("Receiving Organizer");
          frame.setResizable(true);
          frame.setLocationByPlatform(true);
          frame.setMinimumSize(frame.getSize());
          frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
          frame.add(new ReceivingOrganizer());
          //Display the window.
          frame.pack();
          frame.setVisible(true);
}

Answer 1

Don't use GridBagConstraints.RELATIVE for more than one component in the same row, and then only for the second-last component in the row. Read the API:
Use RELATIVE to specify that the component's display area will be from gridx to the next to the last one in its row.
Additionally, before a panel is validated or made visible, its size is zero, so you're effectively setting the minmum size to [0,0] -- not, I'm usre, what you intended to do. Ditto for the JFrame. I've added a couple of sysouts for you to see this for yourself.import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import javax.swing.*;
public class ReceivingOrganizer extends JPanel {
  private JFrame frame;
  private JPanel jpMain;
  private JLabel jlContainer,  jlSeal,  jlTopInstruct;
  private JButton find,  print;
  private JFormattedTextField ftfContainer,  ftfSeal;
  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
      @Override
      public void run() {
        new ReceivingOrganizer().createGUI();
  public ReceivingOrganizer() {
    super(new GridBagLayout());
    GridBagConstraints c = new GridBagConstraints();
    jpMain = new JPanel(new GridBagLayout());
    jpMain.setBorder(BorderFactory.createEmptyBorder(30, 30, 30, 30));
    jlTopInstruct = new JLabel("Enter container number or seal number: ");
    c.gridwidth = GridBagConstraints.REMAINDER;
    jpMain.add(jlTopInstruct, c);
    c.gridwidth = 1;//GridBagConstraints.RELATIVE;
    jlContainer = new JLabel("Container: ");
    jpMain.add(jlContainer, c);
    c.gridwidth = GridBagConstraints.RELATIVE;
    ftfContainer = new JFormattedTextField();
    ftfContainer.setColumns(15);
    jpMain.add(ftfContainer, c);
    c.gridwidth = GridBagConstraints.REMAINDER;
    //c.fill = GridBagConstraints.BOTH;
    find = new JButton("Find");
    jpMain.add(find, c);
    c.gridwidth = 1;//GridBagConstraints.RELATIVE;
    jlSeal = new JLabel("Seal: ");
    jpMain.add(jlSeal, c);
    c.gridwidth = GridBagConstraints.RELATIVE;
    ftfSeal = new JFormattedTextField();
    ftfSeal.setColumns(15);
    jpMain.add(ftfSeal, c);
    c.gridwidth = GridBagConstraints.REMAINDER;
    print = new JButton("Print");
    print.setEnabled(false);
    jpMain.add(print, c);
    System.out.println("jpMain: " + jpMain.getSize());
    //jpMain.setMinimumSize(jpMain.getSize());
    add(jpMain, c);
    revalidate();
  public void createGUI() {
    frame = new JFrame("Receiving Organizer");
    frame.setResizable(true);
    frame.setLocationByPlatform(true);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(this);
    System.out.println("Before pack: " + frame.getSize());
    //Display the window.
    frame.pack();
    System.out.println("After pack: " + frame.getSize());
    frame.setMinimumSize(frame.getSize());
    frame.setMinimumSize(frame.getSize());
    frame.setVisible(true);
}db
edit And you had two instances of ReceivingOrganizer, one instantiated in main(...) and the other in createGUI(). You don't need this, just add the present instance to the frame.
Edited by: DarrylBurke