import java.awt.Font;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;

public class GUI extends JFrame {

private Connection connection;

/**
* Creates new form GUI
*/
public GUI() {
   initComponents();
   jTextAreaOutput.setFont(new Font("Monospaced", Font.PLAIN, 12));
   try {
         connecting();
   } catch (SQLException e) {
         JOptionPane.showMessageDialog(null, e.getMessage());
         System.exit(0);
   }
}

private void connecting() throws SQLException {
   connection = DriverManager.getConnection("jdbc:sqlserver://s16988308.onlinehome-server.com:1433;"
            + "databaseName= CUNY_DB; integratedSecurity=false;",
            "cst3613", "password1");
   // Create a statement
   Statement statement = connection.createStatement();

   // get name of all table in the database
   ResultSet resultSet = statement.executeQuery("select table_name from CUNY_DB.INFORMATION_SCHEMA.TABLES where TABLE_TYPE = 'BASE TABLE'");
   while (resultSet.next()) {
         jComboBoxTable.addItem(resultSet.getString(1));
   }
}

/**
* create the GUI
*/
private void initComponents() {

   jScrollPane1 = new JScrollPane();
   jTextAreaOutput = new JTextArea();
   jLabel1 = new JLabel();
   jComboBoxTable = new JComboBox<>();
   jButtonShow = new JButton();

   setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
   setTitle("Choose Table to Display");

   jTextAreaOutput.setColumns(20);
   jTextAreaOutput.setRows(5);
   jScrollPane1.setViewportView(jTextAreaOutput);

   jLabel1.setText("Table Name");

   jButtonShow.setText("Show Contents");
   jButtonShow.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent evt) {
            jButtonShowActionPerformed(evt);
         }
   });

   GroupLayout layout = new GroupLayout(getContentPane());
   getContentPane().setLayout(layout);
   layout.setHorizontalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                     .addComponent(jScrollPane1)
                     .addGroup(GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                           .addContainerGap(176, Short.MAX_VALUE)
                           .addComponent(jLabel1)
                           .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
                           .addComponent(jComboBoxTable, GroupLayout.PREFERRED_SIZE, 99, GroupLayout.PREFERRED_SIZE)
                           .addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
                           .addComponent(jButtonShow)
                           .addGap(152, 152, 152))
   );
   layout.setVerticalGroup(
            layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                     .addGroup(layout.createSequentialGroup()
                           .addContainerGap()
                           .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                    .addComponent(jLabel1)
                                    .addComponent(jComboBoxTable, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                                    .addComponent(jButtonShow))
                           .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED)
                           .addComponent(jScrollPane1, GroupLayout.DEFAULT_SIZE, 249, Short.MAX_VALUE))
   );

   pack();
}

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