JPanel: setFocusTraversalPolicyProvider(boolean value) : JPanel « javax.swing « Java by API

1. Java by API
2. javax.swing
3. JPanel

JPanel: setFocusTraversalPolicyProvider(boolean value)

  
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass {

  public static void main(String args[]) {
    JFrame frame = new JFrame("Focus Cycle Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    frame.setLayout(new GridLayout(3,3));

    for (int i = 0; i < 3; i++) {
      JButton button = new JButton("" + i);
      frame.add(button);
    }

    JPanel panel = new JPanel();
    panel.setFocusCycleRoot(true);
    panel.setFocusTraversalPolicyProvider(true);
    panel.setLayout(new GridLayout(1, 3));
    for (int i = 0; i < 3; i++) {
      JButton button = new JButton("" + (i + 3));
      panel.add(button);
    }
    frame.add(panel);

    for (int i = 0; i < 3; i++) {
      JButton button = new JButton("" + (i + 6));
      frame.add(button);
    }

    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

           
         
    
  

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