j_button.java

一些常用的java程序,包括swing.net.io,matrix等

package actionAndEvent;

class ActionListenOfButton implements java.awt.event.ActionListener
{

	int m_count = 0;
	
	public void actionPerformed(java.awt.event.ActionEvent e)
	{
		javax.swing.JButton b = (javax.swing.JButton)e.getSource();
		b.setText("click "+(++m_count)+" time");
	}

}

public class J_Button extends javax.swing.JFrame
{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	public J_Button()
	{
		super("test");
		
		java.awt.Container c = getContentPane();
		
		javax.swing.JButton b = new javax.swing.JButton("click 0 time");
		
		ActionListenOfButton a = new ActionListenOfButton();
		
		b.addActionListener(a);
		
		c.add(b, java.awt.BorderLayout.CENTER);
		
	}
	public static void main(String[] args)
	{
		
		J_Button app = new J_Button();
		app.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
		
		app.setSize(100,80);
		app.setVisible(true);
	}

}