radiobuttonlistener1.java

这是JAVA入门程序

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class RadioButtonListener1 implements ActionListener
{
	DrawGUI x;
	
	RadioButtonListener1(DrawGUI a)
	{
		x = a;
	}
	
	public void actionPerformed(ActionEvent e)
	{
		if(e.getActionCommand().equals("English Student"))
		{
			x.txtMidterm.setVisible(true);
			x.txtFinalExam.setVisible(true);
			x.txtResearch.setVisible(true);
			x.txtPresentation.setVisible(true);
			x.lblStudentType.setText("ENGLISH STUDENT");
		}
		
		if(e.getActionCommand().equals("Math Student"))
		{
			x.txtMidterm.setVisible(true);
			x.txtFinalExam.setVisible(true);
			x.txtResearch.setVisible(false);
			x.txtPresentation.setVisible(false);
			x.lblStudentType.setText("MATH STUDENT");
		}
		
		if(e.getActionCommand().equals("Science Student"))
		{
			x.txtMidterm.setVisible(true);
			x.txtFinalExam.setVisible(true);
			x.txtResearch.setVisible(true);
			x.txtPresentation.setVisible(false);
			x.lblStudentType.setText("SCIENCE STUDENT");
		}
		
		if(e.getActionCommand().equals("test"))
		{
			JOptionPane.showMessageDialog(null,"jfadslkjlsjdfl;jasldjflaj");	
		}
	}

}