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    <p><code>GroupLayout</code> is a constraints-based layout. The base principle is to determine positionning constraints between the components, on the x and y axis independently.</p> <p>There are only two constraints : either the components are in sequence, or they are in parallel.</p> <p>In your case, your layout is simple :</p> <ul> <li>on the x axis, there are all the labels in parallel, and the all the textfields in parallel.</li> <li>on the y axis, there are groups of [label and then textfield], all in parallel</li> </ul> <p>The code for that is the following :</p> <pre><code>import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.SwingUtilities; import javax.swing.UIManager; public class Progress extends JPanel { private JLabel ClientIP; private JTextField ip; private JLabel ClientPassword; private JTextField pass; private JLabel Videoname; private JTextField vname; private JLabel perccomplete; private JTextField percent; private JLabel PacketsSent; private JTextField pacsent; private JLabel Connectiontype; private JTextField conntype; private JLabel noofvideossent; private JTextField videosend; public Progress() { ClientIP = new JLabel("Client's IP:"); ClientPassword = new JLabel("Clients Password:"); Videoname = new JLabel("Video being Transfered:"); perccomplete = new JLabel("% of transfer Complete:"); PacketsSent = new JLabel("No of Packets sent:"); Connectiontype = new JLabel("Connection Type:"); noofvideossent = new JLabel("No of Videos Sent:"); ip = new JTextField(); pass = new JTextField(); vname = new JTextField(); percent = new JTextField(); pacsent = new JTextField(); conntype = new JTextField(); videosend = new JTextField(); ip.setColumns(20); pass.setColumns(20); vname.setColumns(20); percent.setColumns(20); pacsent.setColumns(20); conntype.setColumns(20); videosend.setColumns(20); //Tell accessibility tools about label/textfield pairs. ClientIP.setLabelFor(ip); ClientPassword.setLabelFor(pass); Videoname.setLabelFor(vname); perccomplete.setLabelFor(percent); PacketsSent.setLabelFor(pacsent); Connectiontype.setLabelFor(conntype); noofvideossent.setLabelFor(videosend); GroupLayout layout = new GroupLayout(this); setLayout(layout); layout.setAutoCreateGaps(true); layout.setAutoCreateContainerGaps(true); layout.setHorizontalGroup( layout.createSequentialGroup() .addGroup(layout.createParallelGroup(Alignment.LEADING) .addComponent(ClientIP) .addComponent(ClientPassword) .addComponent(Videoname) .addComponent(perccomplete) .addComponent(PacketsSent) .addComponent(Connectiontype) .addComponent(noofvideossent)) .addGroup(layout.createParallelGroup(Alignment.LEADING) .addComponent(ip) .addComponent(pass) .addComponent(vname) .addComponent(percent) .addComponent(pacsent) .addComponent(conntype) .addComponent(videosend))); layout.setVerticalGroup( layout.createSequentialGroup() .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(ClientIP) .addComponent(ip)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(ClientPassword) .addComponent(pass)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(Videoname) .addComponent(vname)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(perccomplete) .addComponent(percent)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(PacketsSent) .addComponent(pacsent)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(Connectiontype) .addComponent(conntype)) .addGroup(layout.createParallelGroup(Alignment.BASELINE) .addComponent(noofvideossent) .addComponent(videosend))); } public static void main(String[] args) throws Exception { SwingUtilities.invokeLater(new Runnable() { public void run() { UIManager.put("swing.boldMetal", Boolean.FALSE); JFrame f = new JFrame("test frame"); f.setContentPane(new Progress()); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setTitle("Find"); f.pack(); f.setVisible(true); } }); } } </code></pre> <p>A <code>GroupLayout</code> is relatively easy to understand, when the code is properly indented. I replaced the <code>Alignement.LEADING</code> by <code>Alignement.BASELINE</code>, in order to align on the baseline (the text of the labels and of the textfields are on the same line).</p>
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    1. CO+1 for readability; see also this [example](http://stackoverflow.com/a/14858272/230513) that adds labeled fields in a loop.
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    2. CObarjak's [sscce](http://sscce.org/) compiles and executes correctly; your update does not compile. I'd suggest backing out the changes until it works again, and focus on the first change to break your next update.
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