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帮朋友问的


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class SPC_interface extends JFrame {

private static Bank bank;
private JTabbedPane menuTab, tellerSubMenuTab;
private JPanel bankPanel, tellerPanel, tellerCreateCustPanel, tellerSearchCustPanel;
private JTextField bankName, bankAddress, bankPhoneNumber, bankWebSite, fName, lName, dob, amount, searchCustID;
private JButton bankViewButt, bankUpdateButt, bankResetButt, customerResetButt, customerCreateButt, custSearchResetButt, custSearchButt;
private JTextArea searchResult;

private GridBagConstraints gbc = new GridBagConstraints();
private static Teller kent;

public SPC_interface() {
super( "SPC Banking" );
Container container = getContentPane();
container.setLayout(new FlowLayout());

menuTab= new JTabbedPane();
container.add(menuTab);

bankPanel = new JPanel ();
bankPanel.setLayout(new GridBagLayout());
menuTab.add (bankPanel, "Bank Info");

gbc.gridx = 0 ;
gbc.gridy = 0 ;
bankPanel.add( new JLabel("Bank name: "), gbc );
gbc.gridx = 2 ;
gbc.gridy = 0 ;
bankName = new JTextField( 20 );
bankPanel.add( bankName, gbc );

gbc.gridx = 0 ;
gbc.gridy = 1 ;
bankPanel.add( new JLabel("Bank address: "), gbc );
gbc.gridx = 2 ;
gbc.gridy = 1 ;
bankAddress = new JTextField( 20 );
bankPanel.add( bankAddress, gbc );

gbc.gridx = 0 ;
gbc.gridy = 2 ;
bankPanel.add( new JLabel("Bank phone number:"), gbc );
gbc.gridx = 2 ;
gbc.gridy = 2 ;
bankPhoneNumber = new JTextField( 20 );
bankPanel.add( bankPhoneNumber, gbc );

gbc.gridx = 0 ;
gbc.gridy = 3 ;
bankPanel.add( new JLabel("Bank web site:"), gbc );
gbc.gridx = 2 ;
gbc.gridy = 3 ;
bankWebSite = new JTextField( 20 );
bankPanel.add( bankWebSite, gbc );

gbc.gridx = 0 ;
gbc.gridy = 4 ;
bankPanel.add( new JLabel(" "), gbc );

gbc.gridx = 0 ;
gbc.gridy = 5 ;
bankResetButt = new JButton ( "Reset" );
bankPanel.add( bankResetButt, gbc );
ButtonHandler bankResetButtHandler = new ButtonHandler();
bankResetButt.addActionListener( bankResetButtHandler );
gbc.gridx = 1 ;
gbc.gridy = 5 ;
bankViewButt = new JButton ( "View" );
bankPanel.add( bankViewButt, gbc );
ButtonHandler bankViewButtHandler = new ButtonHandler();
bankViewButt.addActionListener( bankViewButtHandler );
gbc.gridx = 2 ;
gbc.gridy = 5 ;
bankUpdateButt = new JButton ( "Update" );
bankPanel.add( bankUpdateButt, gbc );
ButtonHandler bankUpdateButtHandler = new ButtonHandler();
bankUpdateButt.addActionListener( bankUpdateButtHandler );

//teller menu
tellerPanel = new JPanel ..

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应该是指在 compile time 就得知 try block
CustomerNotFoundException 不会被丢出
请检查是否有实做出例如 执行 blahblah() 时

public void blahblah() throws CustomerNotFoundException{
if(...)
{
  // 正常运作
  return;
}

throw new CustomerNotFoundException();
}

CustomerNotFoundException 最好继承已知的 Exception

不确定是否如此，请在检查您的程式逻辑