Which compiler is needed for the following code?
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class Main extends JApplet implements ActionListener{
JTextField firstNameArea;
JTextField lastNameArea;
JTextField emailField;
JTextField phoneNumber;
JCheckBox myselfBox;
JCheckBox someoneBox;
JTextArea messageArea;
public void init (){
setSize (250,300);
setLayout (new BorderLayout ());
JPanel insidePane = new JPanel ();
firstNameArea = new JTextField(15);
lastNameArea = new JTextField (15);
insidePane.setLayout (new GridLayout (7,2));
insidePane.add (new JLabel ("First Name"));
insidePane.add (firstNameArea);
insidePane.add (new JLabel ("Last Name"));
insidePane.add (lastNameArea);
JButton sendButton = new JButton ("Send"); sendButton.setActionCommand ("Send Mail"); sendButton.addActionListener (this);
emailField = new JTextField (15);
insidePane.add (new JLabel ("Email"));
insidePane.add (emailField);
phoneNumber = new JTextField (15);
insidePane.add (new JLabel ("Phone"));
insidePane.add (phoneNumber);
insidePane.add (new JLabel ("I am requesting "));
myselfBox = new JCheckBox("Myself");
someoneBox = new JCheckBox("Someone");
insidePane.add (new JLabel ("this information for"));
insidePane.add (new JLabel ());
insidePane.add (myselfBox);
insidePane.add (new JLabel ());
insidePane.add (someoneBox);
add (insidePane, BorderLayout.NORTH);
JPanel messagePanel = new JPanel (new BorderLayout ());
messageArea = new JTextArea (5,10);
JScrollPane scrollPanel = new JScrollPane (messageArea);
messagePanel.add (new JLabel ("Message"), BorderLayout.NORTH);
messagePanel.add(scrollPanel, BorderLayout.CENTER);
messagePanel.add(sendButton, BorderLayout.SOUTH);
add (messagePanel, BorderLayout.CENTER);
}
public void actionPerformed (ActionEvent e){
if (e.getActionCommand ().equals("Send Mail")){
if (validEmailCheck (emailField.getText ())){
if (validPhoneCheck (phoneNumber.getText())){
if (oneBoxChecked ()){
if (firstNameArea.getText() != null){
if (lastNameArea.getText() != null){
if (messageArea.getText() != null){
sendMessage ();
}
else {
JOptionPane.showMessageDialog(null, "Please Insert a Message");
}
}
else {
JOptionPane.showMessageDialog(null, "Please Insert Your Last Name");
}
}
else {
JOptionPane.showMessageDialog(null, "Please Insert Your First Name");
}
}
else {
JOptionPane.showMessageDialog(null, "Please select who you are writing for");
}
}
else {
JOptionPane.showMessageDialog(null, "Please Enter a valid phone number (no dashes (-))");
}
}
else {
JOptionPane.showMessageDialog(null, "Please Insert a valid Email");
}
}
}
private void sendMessage() {
// TODO Auto-generated method stub
String to = "email@my-domain.com";
String from = emailField.getText();
String host = "http://webmail.sitegroundNUM.com/";
Properties props = new Properties();
// If using static Transport.send(),
// need to specify which host to send it to
props.put("mail.my-domain.com:465", host);
// To see what is going on behind the scene
props.put("mail.debug", "true");
Session session = Session.getInstance(props);
try {
// Instantiate a message
Message msg = new MimeMessage(session);
//Set message attributes
msg.setFrom(new InternetAddress(from));
InternetAddress[] address = {new InternetAddress(to)};
msg.setRecipients(Message.RecipientType.TO, address);
msg.setSubject("Email from" + firstNameArea.getText() + " " + lastNameArea.getText());
msg.setSentDate(new Date());
// Set message content
msg.setText("Phone:" + phoneNumber.getText() + "\n" + messageArea.getText());
//Send the message
Transport.send(msg);
}
catch (MessagingException mex) {
// Prints all nested (chained) exceptions as well
mex.printStackTrace();
}
}
private boolean oneBoxChecked() {
// TODO Auto-generated method stub
if (((myselfBox.isSelected()) || (someoneBox.isSelected())) || (myselfBox.isSelected() && someoneBox.isSelected())){
return true;
}
else if (!myselfBox.isSelected() && !someoneBox.isSelected()){
return false;
}
return false;
}
private boolean validPhoneCheck(String text) {
// TODO Auto-generated method stub
char [] phone = text.toCharArray();
int trueCounter = 0;
if (text.toCharArray().length == 10){
for (int i = 0; i < 10; i++){
checkIfValidNumbers (phone[i]);
if (true){
trueCounter += 1;
}
}
}
if (trueCounter == 10){
return true;
}
else {
return false;
}
}
private boolean checkIfValidNumbers(char c) {
// TODO Auto-generated method stub
switch (c){
case 0:
return true;
case 1:
return true;
case 2:
return true;
case 3:
return true;
case 4:
return true;
case 5:
return true;
case 6:
return true;
case 7:
return true;
case 8:
return true;
case 9:
return true;
default:
return false;
}
}
private boolean validEmailCheck(String text) {
// TODO Auto-generated method stub
char[] email = text.toCharArray();
for (int i = 0; i < email.length; i++){
if (email[i] == '@'){
return true;
}
}
return false;
}
}Please give me some instractions for running it.
