searching.java

mumu makes a registration course

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

public class Searching extends JFrame implements ActionListener
{
		JLabel label1, label2;
		JTextField txtField1;
		JButton butang1, butang2, butang3;

	public Searching()
	{
		super(":::Cautare:::");
		Container bekas=getContentPane();
		bekas.setLayout(new BorderLayout());

		JPanel panelAtas=new JPanel();
		panelAtas.setLayout(new FlowLayout());

		label1=new JLabel("Cauta Info Student ");
		panelAtas.add(label1);

		bekas.add(panelAtas, BorderLayout.NORTH);

		JPanel panelTengah=new JPanel();
		panelTengah.setLayout(new FlowLayout());

		label2=new JLabel("ID : ");
		txtField1=new JTextField(10);
		panelTengah.add(label2);
		panelTengah.add(txtField1);
		bekas.add(panelTengah, BorderLayout.CENTER);

		JPanel panelBawah=new JPanel();
		panelBawah.setLayout(new FlowLayout());

		butang1=new JButton("Cauta");
		butang1.addActionListener(this);
		butang2=new JButton("Meniu Principal");
		butang2.addActionListener(this);
		butang3=new JButton("Reset");
		butang3.addActionListener(this);

		panelBawah.add(butang1);
		panelBawah.add(butang3);
		panelBawah.add(butang2);

		bekas.add(panelBawah, BorderLayout.SOUTH);

		setSize(500,150);
		setLocation(250,350);
		setVisible(true);

	}

	public static void main(String [] args)
	{
		Searching frame=new Searching();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource() == butang1)
			{
				String n = txtField1.getText();
				SaveFile data =new SaveFile();
				data.readFromFile();
				boolean find = data.findRecord(n);
				if(find)
				{	dispose();
					DisplayInfo showInfo =
					new DisplayInfo();
				}
				else
				{	String output = new String("ID number ("
					+n+ ") nu exista.");
					JOptionPane.showMessageDialog(null,output);
				}
			}

		else if (e.getSource() == butang2)
		{
			CoursesRegistration gerak = new CoursesRegistration();
			gerak.setVisible(true);
			super.show(false);
		}
		else if (e.getSource() == butang3)
		{
			txtField1.setText("");
		}
	}
}