Help needed in layout of components

hi all....i am a newbie in AWT/SWING
i want to arrange components in my frame like this

label : text field
label:text field
button

how to do it...i am not getting anywhere even after reading loads of layout tutorials
my code goes like this

Code:

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import javax.swing.*;
import java.awt.event.*;
import java.awt.*;


public class FirstSwing implements ActionListener {

  JButton button;

  public void go()
  {
          JFrame frame=new JFrame();
      frame.setTitle("IWCn");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      Toolkit toolkit =  Toolkit.getDefaultToolkit ();
      Dimension size = toolkit.getScreenSize();
      frame.setSize(size.width, size.height-28);
      frame.setLocation(0,0);
     
      Icon icon = new ImageIcon("C:/Users/Shilpa/Desktop/iwcn.png");
      JLabel iwcn= new JLabel(icon);
      frame.getContentPane().add(iwcn,BorderLayout.NORTH);
     
      JPanel panel=new JPanel();
      panel.setLayout(new FlowLayout(FlowLayout.CENTER));
      frame.getContentPane().add(panel);
     
      JLabel userName=new JLabel("Username : ");
      panel.add(userName);
     
      JTextField field = new JTextField(20);
      panel.add(field);
      /*JLabel password=new JLabel("Password");
      panel.add(password);
      JTextField field1 = new JTextField(20);
      panel.add(field1);*/
     
     
      button=new JButton("Submit");
      button.addActionListener(this);
     
      button.setBounds(580,500,100,30);
      JLabel label=new JLabel("\u00a9 Copywright IWCn",JLabel.CENTER);
      frame.getContentPane().add(label,BorderLayout.SOUTH);
     
     
     
 
      frame.setVisible(true);
  }

    public static void main(String[] args) {
            FirstSwing gui=new FirstSwing();
            gui.go();

    }
    public void actionPerformed(ActionEvent event){
            button.setText("I have been clicked");
    }
}

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here's one way (without fullscreen)

Code:

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import javax.swing.*;
import java.awt.event.*;
import java.awt.*;


class FirstSwing implements ActionListener {

  JButton button=new JButton("Submit");

  public void go()
  {
    JPanel infoPanel = new JPanel(new GridLayout(2,2));
    JLabel userName=new JLabel("Username : ");
    JTextField field = new JTextField(10);
    JLabel password=new JLabel("Password");
    JTextField field1 = new JTextField(10);
    infoPanel.add(userName); infoPanel.add(field);
    infoPanel.add(password); infoPanel.add(field1);

    JPanel buttonPanel = new JPanel();
    buttonPanel.add(button);

    JPanel holdingPanel = new JPanel(new BorderLayout());
    holdingPanel.add(infoPanel);
    holdingPanel.add(buttonPanel,BorderLayout.SOUTH);

    JFrame frame=new JFrame();
    frame.setTitle("IWCn");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(new JLabel(new ImageIcon("C:/Users/Shilpa/Desktop/iwcn.png")),BorderLayout.NORTH);
    frame.getContentPane().add(holdingPanel);
    frame.getContentPane().add(new JLabel("\u00a9 Copywright IWCn",JLabel.CENTER),BorderLayout.SOUTH);

    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
  }

    public static void main(String[] args) {
      FirstSwing gui=new FirstSwing();
      gui.go();

    }
    public void actionPerformed(ActionEvent event){
      button.setText("I have been clicked");
    }
}

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Thanx a lot