ERRO java.lang.ArrayIndexOutOfBoundsException:

Estou fazendo um projeto de pesquisa de alunos , mas estou tendo um erro que gostaria muito de ajuda para resolver , quando selecionado algum item na tabela e tento pesquisar de novo apresentasse o erro

java.lang.ArrayIndexOutOfBoundsException

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AKI ESTA MEU CODIGO:


package pricipal;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Image;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.PreparedStatement;
import com.mysql.jdbc.Statement;
import javax.swing.JRadioButton;
import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JLabel;

public class Pesquisa extends JFrame {

private JPanel contentPane;
private boolean action1 = false;
private boolean action2 = false;
private boolean action3 = false;
java.sql.Connection con;
String Servidor = "jdbc:mysql://localhost:3306/escola?useSSL=false";
String Usuario = "root";
String Senha = "";
private JTextField textField;
String nome;
String turma;
String codigo;
String turma1;
String codigo1;
String texto;
private JTable table;
DefaultTableModel var;
private PreparedStatement dados;
private ResultSet rs;
private DefaultTableModel val;

/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Pesquisa frame = new Pesquisa();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}

/**
* Create the frame.
*/
public Pesquisa() {

ImageIcon seta = new ImageIcon("C:/Users/André/Downloads/CEF04/src/imagens/reply.png");
ImageIcon pesquisar = new ImageIcon("C:/Users/André/Downloads/CEF04/src/imagens/pesquisar.png");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 827, 600);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setLocationRelativeTo(null);//Localização da janela
setContentPane(contentPane);
contentPane.setLayout(null);

textField = new JTextField();
textField.setFont(new Font("Tahoma", Font.BOLD, 13));
textField.setBounds(26, 189, 99, 20);
textField.setHorizontalAlignment(SwingConstants.CENTER);
contentPane.add(textField);
textField.setColumns(10);
textField.requestFocus();

JScrollPane scrollPane = new JScrollPane();
scrollPane.setBounds(152, 94, 649, 456);
contentPane.add(scrollPane);
getContentPane().add(scrollPane);

JTable table = new JTable();
table.setToolTipText("");
table.setFont(new Font("Tahoma", Font.BOLD, 14));
table.setBounds(0, 157, 1264, 525);

table.setBorder(null);
scrollPane.setColumnHeaderView(table);
scrollPane.setViewportView(table);
table.setModel(new DefaultTableModel(new Object[][]{}, new String[]{"Código", "Nome", "Turma"}));

JTableHeader tabela = table.getTableHeader();
tabela.setBackground(Color.ORANGE);
table.setBackground(Color.CYAN);
table.getParent().setBackground(Color.WHITE);
tabela.setFont(new Font("Tahoma", Font.BOLD, 16));
table.getColumnModel().getColumn(0).setPreferredWidth(100);
table.getColumnModel().getColumn(1).setPreferredWidth(500);
table.getColumnModel().getColumn(2).setPreferredWidth(70);

var = (DefaultTableModel) table.getModel();
var.addRow(new String[]{codigo, nome, turma});
textField.setText(null);

JButton btnVoltar = new JButton("Voltar", seta);
getContentPane().add(btnVoltar);
btnVoltar.setBounds(32, 515, 99, 23);
btnVoltar.setHorizontalTextPosition(SwingConstants.LEFT);
btnVoltar.setBackground(new Color(255, 102, 102));
btnVoltar.setFont(new Font("Tahoma", Font.BOLD, 13));
btnVoltar.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose();

}
});

JLabel lblFoto = new JLabel("");
getContentPane().add(lblFoto);
lblFoto.setBounds(18, 256, 124, 146);

JLabel lblNewLabel = new JLabel("PESQUISANDO...");
lblNewLabel.setForeground(Color.ORANGE);
lblNewLabel.setFont(new Font("Tahoma", Font.BOLD, 45));
lblNewLabel.setBounds(269, 11, 403, 65);
contentPane.add(lblNewLabel);

JLabel lblPesquisar = new JLabel("");
getContentPane().add(lblPesquisar);
lblPesquisar.setBounds(144, 11, 86, 65);
ImageIcon icon = new ImageIcon("C:/Users/André/Downloads/CEF04/src/imagens/pesquisar.png");
Image image = icon.getImage().getScaledInstance(lblPesquisar.getWidth(), lblPesquisar.getHeight(), 1);
lblPesquisar.setIcon(new ImageIcon(image));

textField.addKeyListener(new KeyAdapter() {
@Override
public void keyReleased(KeyEvent e) {

while (table.getModel().getRowCount() - 1 > 0) {
// ((DefaultTableModel) table.getModel()).removeRow(0);
((DefaultTableModel) table.getModel()).setRowCount(0);
}
try {
ArrayList<String> codigos = new ArrayList<>();

//if(e.getKeyCode()==KeyEvent.VK_BACK_SPACE) {
//JOptionPane.showMessageDialog(null, "A");
//while(table.getModel().getRowCount()-1>0) {
//((DefaultTableModel)table.getModel()).removeRow(0);
//((DefaultTableModel) table.getModel()).setRowCount(0);
// }
//}
if (textField.getText().matches("^[a-z,A-Z,0-9, ,]*")) {

try {
con = DriverManager.getConnection(Servidor, Usuario, Senha);// pedindo conexão
String query = "SELECT * FROM cadastro WHERE Turma like ''" + textField.getText() + "%''"; // criando query
PreparedStatement dados = (PreparedStatement) con.prepareStatement(query);//preparando o texto;
ResultSet rs = dados.executeQuery(); // executa query;
while (rs.next()) {// resultado da requisição feita no banco de dados
codigo = rs.getString("Codigo");
nome = rs.getString("Aluno");
turma = rs.getString("Turma");

codigo1 = " " + codigo;
turma1 = " " + turma;

val = (DefaultTableModel) table.getModel();
val.addRow(new String[]{codigo1, nome, turma1});;
}

table.getSelectionModel().addListSelectionListener(new ListS