Hi, I am relatively new to JAVA and especially SQL and I am having trouble with a "cannot find symbol error. I believe it is at this line catch: "catch(SQLExeception e)".
Any advise would be greatly appreciated.
Thanks,
Mike
NetBeans code looks like this:
import java.sql.*;
public class Book extends javax.swing.JFrame
{
final String USERNAME = "swtcwa5";
final String PASSWORD = "homer123";
final String URL = "jdbc:mysql://www.swtcwap.com/swtcwa5_miketest";
/** Creates new form Book */
public Book() {
initComponents();
LoadList();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
ListArea = new javax.swing.JList();
jLabel1 = new javax.swing.JLabel();
refreshButton = new javax.swing.JToggleButton();
addButton = new javax.swing.JButton();
DeleteButton = new javax.swing.JButton();
updateButton = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
bookCode = new javax.swing.JTextField();
bookName = new javax.swing.JTextField();
bookPublisher = new javax.swing.JTextField();
bookType = new javax.swing.JTextField();
coverType = new javax.swing.JTextField();
bookPrice = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jScrollPane1.setViewportView(ListArea);
jLabel1.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
jLabel1.setText("Book");
refreshButton.setLabel("Refresh");
refreshButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
refreshButtonActionPerformed(evt);
}
});
addButton.setText("Add");
addButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
addButtonActionPerformed(evt);
}
});
DeleteButton.setText("Delete");
DeleteButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
DeleteButtonActionPerformed(evt);
}
});
updateButton.setText("Update");
updateButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
updateButtonActionPerformed(evt);
}
});
jLabel2.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel2.setText("Book Code");
jLabel3.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel3.setText("Book Name");
jLabel4.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel4.setText("Publisher");
jLabel5.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel5.setText("Book Type");
jLabel6.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel6.setText("Cover Type");
jLabel7.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N
jLabel7.setText("Book Price");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(164, 164, 164)
.addComponent(jLabel1))
.addGroup(layout.createSequentialGroup()
.addGap(20, 20, 20)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 124, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(jLabel5)
.addComponent(jLabel7)
.addComponent(jLabel6)
.addComponent(jLabel2)
.addComponent(jLabel3))
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(bookCode, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(bookName, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(bookPrice, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(bookPublisher, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE)
.addComponent(coverType, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE)
.addComponent(bookType, javax.swing.GroupLayout.DEFAULT_SIZE, 134, Short.MAX_VALUE)))))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(updateButton, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(addButton, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(DeleteButton, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(10, 10, 10)
.addComponent(refreshButton, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(37, 37, 37))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(bookCode, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(bookName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(19, 19, 19)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(bookPublisher, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(23, 23, 23)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(coverType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel7)
.addComponent(bookPrice, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(bookType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel5))
.addGap(69, 69, 69))))
.addComponent(jScrollPane1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 29, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(updateButton)
.addComponent(addButton)
.addComponent(DeleteButton)
.addComponent(refreshButton))
.addGap(22, 22, 22))
);
pack();
}// </editor-fold>
private void updateButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void addButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void DeleteButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void refreshButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
private void LoadList()
{
Connection conn = null;
try
{
Class.forName("com.mysql.jdbc.Driver") .newInstance();
conn = DriverManager.getConnection(URL,USERNAME,PASSWORD );
Statement lstatement = conn.createStatement();
String ls_query = "select * from Book";
System.out.println(ls_query);
lstatement.execute(ls_query);
}
//**************************************************************************
catch(SQLExeception e) //ERROR IS cannot find symbol ***********************
//**************************************************************************
{
System.out.println("Error Proccessing SQL" + e.toString());
}
finally
{
if (conn !=null)
{
try
{
conn.close();
}
catch(Exception e) //ingonore close errors
{
}
}
}
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Book().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton DeleteButton;
private javax.swing.JList ListArea;
private javax.swing.JButton addButton;
private javax.swing.JTextField bookCode;
private javax.swing.JTextField bookName;
private javax.swing.JTextField bookPrice;
private javax.swing.JTextField bookPublisher;
private javax.swing.JTextField bookType;
private javax.swing.JTextField coverType;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JToggleButton refreshButton;
private javax.swing.JButton updateButton;
// End of variables declaration
}
