import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JOptionPane;
import java.io.*;
public class fc extends JFrame
implements ActionListener
{
private JButton bFlo;
private JPanel buttonPanel;
private Container c;
private Font f;
private String a;
private int a1;
public fc()
{
super ("FColina");
setup();
setSize(500,500);
setLocation(250,250);
show();
}
public void setup()
{
c=getContentPane();
setUpButtons();
setUpActionListener();
}
public void setUpButtons()
{
buttonPanel=new JPanel();
c.add(buttonPanel,BorderLayout.CENTER);
bFlo=new JButton("BUTTON");
buttonPanel.add(bFlo);
buttonPanel.setLayout(new GridLayout(5,3,5,5));
}
public void setUpActionListener()
{
bFlo.addActionListener(this);
}
public void actionPerformed(ActionEvent c)
{
if(c.getSource()==bFlo)
{
JOptionPane.showMessageDialog(null,"Hello");
}
}
}
My programs doesn;t work. when i compile it i only says
"Exception in thread "main" java.lang.NoSuchMethodError: main
can anyone help me to fix this error please? i realy need it today.
