new JButton(Icon ic) : JButton « javax.swing « Java by API






new JButton(Icon ic)

  
import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

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

public class MainClass extends JPanel  implements ActionListener {
  public MainClass() {
 
      JButton jb = new JButton(new MyIcon()); 
      jb.setActionCommand("France"); 
      jb.addActionListener(this);
      add(jb);
    } 
   
    // Show text when user presses ENTER. 
    public void actionPerformed(ActionEvent ae) { 
      System.out.println(ae); 
    } 

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.getContentPane().add(new MainClass());

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200, 200);
    frame.setVisible(true);
  }

}


class MyIcon implements Icon {
  public int getIconWidth() {
    return 32;
  }

  public int getIconHeight() {
    return 32;
  }

  public void paintIcon(Component c, Graphics g, int x, int y) {
    g.drawString("java2s.com", 0, 20);
  }
}


           
         
    
  








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16.JButton: getActionMap()
17.JButton: getBackground()
18.JButton: getInputMap()
19.JButton: removeActionListener(ActionListener l)
20.JButton: setActionCommand(String text)
21.JButton: setAlignmentX(float alignmentX)
22.JButton: setAlignmentY(float alignmentY)
23.JButton: setBackground(Color c)
24.JButton: setBorder(Border border)
25.JButton: setBorderPainted(boolean b)
26.JButton: setDefaultCapable(boolean defaultCapable)
27.JButton: setDisabledIcon(Icon disabledIcon)
28.JButton: setDisabledSelectedIcon(Icon disabledSelectedIcon)
29.JButton: setHorizontalAlignment(int alignment)
30.JButton: setIconTextGap(int iconTextGap)
31.JButton: setMnemonic(KeyEvent.VK_A)
32.JButton: setPressedIcon(Icon pressedIcon)
33.JButton: setRolloverIcon(Icon rolloverIcon)
34.JButton: setRolloverSelectedIcon(Icon rolloverSelectedIcon)
35.JButton: setSelectedIcon(Icon selectedIcon)
36.JButton: setToolTipText(String str)
37.JButton: setVerticalAlignment(int alignment)
38.extends JButton