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  1. #1
    toad is offline Member
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    Default Help Using FlowLayout Manager

    Java Code:
    // Exercise12_2.java: Practice on containers and layout
    import java.awt.*;
    import java.awt.event.*;
    import javax.swing.*;
    
    public class Exercise12_2 extends JFrame implements ActionListener {
      private JButton jbt1, jbt2, jbt3, jbt4, jbt5, jbt6;
    
      public static void main(String[] args) {
        Exercise12_2 frame = new Exercise12_2();
        frame.pack();
        frame.setTitle("Exercise12_2");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
      }
    
      public Exercise12_2() {
        // Create panel p1 add three buttons
        JPanel p1 = new JPanel();
        p1.setLayout(new FlowLayout());
        p1.add(jbt1 = new JButton("Button 1"));
        p1.add(jbt2 = new JButton("Button 2"));
        p1.add(jbt3 = new JButton("Button 3"));
    
        // Create Panel p2 and add three buttons
        JPanel p2 = new JPanel();
        p2.setLayout(new FlowLayout());
        p2.add(jbt4 = new JButton("Button 4"));
        p2.add(jbt5 = new JButton("Button 5"));
        p2.add(jbt6 = new JButton("Button 6"));
    
        // Place p1 and p2 in the frame
        getContentPane().setLayout(new BorderLayout());
        getContentPane().add(p1, BorderLayout.SOUTH);
        getContentPane().add(p2, BorderLayout.CENTER);
    
        // Register listeners
        jbt1.addActionListener(this);
        jbt2.addActionListener(this);
        jbt3.addActionListener(this);
        jbt4.addActionListener(this);
        jbt5.addActionListener(this);
        jbt6.addActionListener(this);
      }
    
      public void actionPerformed(ActionEvent e) {
        System.out.println(e.getActionCommand() + " was clicked");
      }
    }
    I wrote the code above using the BorderLayout manager. I now need to revise the same code using the FlowLayout manager. There needs to be two panels with three buttons in each panel. Each panel uses FlowLayout.

    The above code took me a while to get working properly. I assume it should be easy to revise but I'm not quite sure how to pull it off. Thanks in advance.

  2. #2
    hardwired's Avatar
    hardwired is offline Senior Member
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    Default

    Java Code:
        getContentPane().setLayout(new FlowLayout());
        getContentPane().add(p1);
        getContentPane().add(p2);

  3. #3
    toad is offline Member
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    Default

    I figured it was an easy conversion but did not realize it was that easy. Sometimes the obvious is the hardest to see.

    Thanks.

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