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swing
      import java.awt.Color;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
public class NobelGui implements ActionListener {
private JFrame jFrame;
private JPanel jContentPane;
private JMenuBar jJMenuBar;
private JLabel lblId = null;
private JTextField tfId = null;
private JLabel lblAuthor = null;
private JTextField tfAuthor = null;
private JLabel lblsubject = null;
private JComboBox cbsubject = null;
private JLabel lblworks = null;
private JTextField tfworks = null;
private JLabel lbltime = null;
private JTextField tftime = null;
private JLabel lblcountry = null;
private JTextField tfcountry = null;
private JButton btnadd = null;
private JButton btndel = null;


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import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
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