?? searching.java
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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(""); } }}
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