Trouble compiling packages

I have classes written and would like to package them. I thought that I did it right, but then when I used the import statement in a program the error was that the package did not exist. Could someone give me the steps in getting it right. Thank you

This might help you.
http://java.sun.com/docs/books/tutorial/java/interpack/packages.html

Similar Messages

  • Trouble compiling package with JDK 1.4

    Hi,
    I just installed JDK 1.4 on a new machine, now I have trouble running compile scripts that used to work on my old machine. The old an new are configured with Win 2000. The following compiles without problem:
    javac -classpath "..." -d "..." "c:\.....\com\...\some package\MyClass.java"
    Changing this statemetn to:
    javac -classpath "..." -d "..." "c:\.....\com\...\some package\*.java"
    should compile all Java files in 'some package', instead what I get is the following error message:
    error: cannot read: c:\.....\com\...\some package\*.java
    The documentation says that this should still work. Anyone aware of changes in 1.4 that could cause this problem?
    Thanks for responding

    As a work-around, you can use some Unix-styled shell (that is, command processor) which expands the *.expression into the list of the matching file names, thus releaving javac from this task. (Caveat: directory names with a space inside will cause problems.)
    I can recommend the Cygnus package (including the command processor "bash") or "MinGW", the Minimalist GNU For Windows with its simpler sh:
    http://www.mingw.org/
    ftp://ftp.franken.de/pub/win32/develop/gnuwin32/mingw32/porters/Mikey/

  • Execution of Immediate SQL in compiled package in two versions of SQL*PLUS

    A peculiar problem has risen in our database.
    Execution of Immediate SQL in compiled package in two versions of SQLPLUS gives different results
    We have a compiled package with two procedures that contain immediate SQL statements, and these are:
    +PROC_DELETE_ROWS+
    +     -- This immediate sql deletes unreferenced Document Types from the DOC_REF_TYPE table+
    +     delete from doc_ref_type t where exists (select 1 from PROARC_DOC_REF_TYPE_VW d where d.doc_ref_type = t.doc_ref_type)+
       +     and not exists (select 1 from doc_ref d where d.doc_ref_type = t.doc_ref_type)+
       +     and doc_ref_type not in (select doc_ref_type from eis_doc_ref_type)+
       +     and doc_ref_type not in (select eis_doc_ref_type from eis_doc_ref_type)+
    +PROC_ADD_NEW_ROWS+
    +     -- Drop the temporary table+
    +     drop table TMP_PROARC_DOC_REF_TYPE+
    +     -- Create a temporary table+
    +     create table tmp_PROARC_DOC_REF_TYPE as+
    +     select DOC_REF_TYPE, substr(DOC_REF_TYPE_DESC,1,100) as DOC_REF_TYPE_DESC+
    +     from PROARC_DOC_REF_TYPE_VW+
    +     -- Insert document types that do not exist in the DOC_REF_TYPE table+
    +     insert into doc_ref_type t (DOC_REF_TYPE, DOC_REF_TYPE_DESC)+
            +     select distinct DOC_REF_TYPE, DOC_REF_TYPE_DESC from tmp_PROARC_DOC_REF_TYPE s+
            +     where not exists (select 1 from doc_ref_type t where t.doc_ref_type = s.doc_ref_type)+
    I am using the following test script:
    +Exec mypackage.proc_delete_rows;+
    +Commit;+
    +Select count(*) from DOC_REF_TYPES;+
    +Exec mypackage.proc_add_new_rows;+
    +Commit;+
    +Select count(*) from DOC_REF_TYPES;+We have a Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit
    I am using SQL*Plus: Release 8.1.7.0.0
    The test script is working as expected.
    Count after delete =155
    Count after insert = 511
    but when I use another computer with SQL*Plus: Release 10.x
    The Test script returns the following
    Count after delete =155
    Count after insert =155
    The same is happening when I am running the scripts as a scheduled job.
    QUESTION:
    I believe I have found a fix for the problem though. By changing tmp_PROARC_DOC_REF_TYPE in the insert statement to all upper case, the script is running in both environments apparently. But how is this possible? I am executing a compiled package in the database. The session shell should have no impact on the behaveour of the procedure I am calling. What causes this?
    Edited by: Reon on Jun 16, 2011 4:44 AM

    1) I am using the same user (PANDORA)
    2) (PANDORA) for both
    3) I am actually not handling any errors. Just skipping any error altogether. I'll check to see what exceptions are raised, and come back.
    I have also noticed that SQL/PLUS is not the culprit here. If I use SQLTools 1.5 to run the script, the same thing happens. So it has to do something with the connection or session environment that is inheritet to both clients.
    The CODEZ:_
      procedure add_doc_types IS
      sqlstr     VARCHAR2(2000);
      begin
      BEGIN
           sqlstr := 'drop table TMP_PROARC_DOC_REF_TYPE';
         EXECUTE IMMEDIATE sqlstr;
        EXCEPTION
          WHEN OTHERS THEN
            null;
        END;
      BEGIN
           sqlstr := 'create table tmp_PROARC_DOC_REF_TYPE as select DOC_REF_TYPE, substr(DOC_REF_TYPE_DESC,1,100) as DOC_REF_TYPE_DESC from PROARC_DOC_REF_TYPE_VW';
         EXECUTE IMMEDIATE sqlstr;
        EXCEPTION
          WHEN OTHERS THEN
            null;
        END;
        BEGIN
            sqlstr := 'insert into doc_ref_type t (DOC_REF_TYPE, DOC_REF_TYPE_DESC)
                    select distinct DOC_REF_TYPE, DOC_REF_TYPE_DESC from TMP_PROARC_DOC_REF_TYPE s
                    where not exists (select 1 from doc_ref_type t where t.doc_ref_type = s.doc_ref_type)';
         EXECUTE IMMEDIATE sqlstr;
            sqlstr := 'update doc_ref_type t set DOC_REF_TYPE_DESC = (
                    select DOC_REF_TYPE_DESC from tmp_PROARC_DOC_REF_TYPE s
                    where t.doc_ref_type = s.doc_ref_type)
                    where exists (select 1 from tmp_PROARC_DOC_REF_TYPE s where t.doc_ref_type = s.doc_ref_type)';
         EXECUTE IMMEDIATE sqlstr;
        EXCEPTION
          WHEN OTHERS THEN
            null;
        END;
      end add_doc_types;
      procedure delete_doc_types IS
      sqlstr     VARCHAR2(2000);
       BEGIN
            sqlstr := 'delete from doc_ref_type t where exists (select 1 from PROARC_DOC_REF_TYPE_VW d where d.doc_ref_type = t.doc_ref_type)
            and not exists (select 1 from doc_ref d where d.doc_ref_type = t.doc_ref_type)
            and doc_ref_type not in (select doc_ref_type from eis_doc_ref_type)
            and doc_ref_type not in (select eis_doc_ref_type from eis_doc_ref_type)';
          EXECUTE IMMEDIATE sqlstr;
         EXCEPTION
           WHEN OTHERS THEN
             null;
      end delete_doc_types;Edited by: Reon on Jun 16, 2011 2:01 AM

  • Trouble Compiling my Email-client

    Hi
    I have written this email -client, but have some trouble compiling it !
    Then I try to compile it the following errors:
    MailClient.java:350: <identifier> expected
    public syncronize void mails(String t){
    ^
    MailClient.java:727: ';' expected
    private class myWindowListener extends WindowAdapter{
    ^
    MailClient.java:747: '}' expected
    3 errors.
    What do I need to change to correct these errors ?
    I hope that there is somebody out there who can help me get my program to work.
    Thanks in advance.
    Sincrely Yours
    Fred
    import java.io.*;
    import java.awt.*;
    import java.util.*;
    import java.awt.event.*;
    import javax.swing.*;
    import javax.swing.tree.*;
    import javax.swing.event.*;
    public class MailClient extends JFrame implements ActionListener{ 
    private Sendman mySendman;
    private Letterman myLetterman;
    public Writer myWrite;
    public Reader myReader;
    public Composer myComposer;
    private Setup mySetup;
    public Addressbook myAdressbook;
    private FixTask myFixTask;
    private Filter myFilter;
    private Info myInfo;
    public Vector mailIndexVector = new Vector();
    public Vector filterIndexVector = new Vector();
    public Vector folderVector = new Vector();
    private JPanel tArea, trae, icon, tField;
    private JTextArea ta;
    private JScrollPane view, treeScroll;
    private JTree tree;
    public JTextField tf;
    private JSplitPane split;
    private Dimension Size;
    private MailClient myMailClient;
    private String mailBody, subject, from;
    public boolean fromOutbox = false;
    public boolean viewSource = false;
    public static void main (String[] args) {
         MailClient myMailClient = new MailClient();
    public MailClient() {
         super("Mail-Client");
         ImageIcon linux = new ImageIcon("linux.gif");
         this.setIconImage(linux.getImage());
         icon = new JPanel();
         icon.setLayout(new FlowLayout(FlowLayout.LEFT));
         ImageIcon neu = new ImageIcon("getmail.gif");
         JButton neueMails = new JButton(neu);
         newMails.setActionCommand("Getting new Mails");
         newMails.addActionListener(this);
         newMails.setBorderPainted(false);
         newMails.setToolTipText("Getting new Mails");
         ImageIcon cr = new ImageIcon("creator.gif");
         JButton creator = new JButton(cr);
         creator.setActionCommand("Creator open");
         creator.addActionListener(this);
         creator.setBorderPainted(false);
         creator.setToolTipText("Creator open");
         JButton rep = new JButton(new ImageIcon("reply.gif"));
         rep.setActionCommand("rep");
         rep.addActionListener(this);
         rep.setBorderPainted(false);
         rep.setToolTipText("Reply");
         JButton fwd = new JButton(new ImageIcon("fwd.gif"));
         fwd.setActionCommand("fwd");
         fwd.addActionListener(this);
         fwd.setBorderPainted(false);
         fwd.setToolTipText("Forward");
         JButton ein = new JButton(new ImageIcon("settings.gif"));
         ein.setActionCommand("settings open");
         ein.addActionListener(this);
         ein.setBorderPainted(false);
    ein.setToolTipText("Setting open");
    JButton adr = new JButton(new ImageIcon("adressbook.gif"));
    adr.setActionCommand("adr");
    adr.addActionListener(this);
    adr.setBorderPainted(false);
    adr.setToolTipText("Addressbook");
    JButton lo = new JButton(new ImageIcon("trash.gif"));
    lo.setActionCommand("trash");
    lo.addActionListener(this);
    lo.setBorderPainted(false);
    lo.setToolTipText("trash");
    JButton in = new JButton(new ImageIcon("info.gif"));
    in.setActionCommand("Information");
    in.addActionListener(this);
    in.setBorderPainted(false);
    in.setToolTipText("Information");
    icon.add(newMails);
    icon.add(creator);
    icon.add(rep);
    icon.add(fwd);
    icon.add(set);
    icon.add(adr);
    icon.add(lo);
    icon.add(in);
    Vector h1 = myLeser.lese("Summary.4on");
    for(int i=0; i<h1.size(); i+=7){
    String id = h1.elementAt(i).toString();
    String fo = h1.elementAt(i+1).toString();
    String su = h1.elementAt(i+2).toString();
    String fr = h1.elementAt(i+3).toString();
    String to = h1.elementAt(i+4).toString();
    String da = h1.elementAt(i+5).toString();
    String re = h1.elementAt(i+6).toString();
    MailIndex index = new MailIndex(id, fo, su, fr, to, da, re);
    mailIndexVector.addElement(index);
    Vector h2 = myReader.read("Filter.4on");
    for(int j=0; j<h2.size(); j+=3){
    String fo = h2.elementAt(j).toString();
    String from = h2.elementAt(j+1).toString();
    String te = h2.elementAt(j+2).toString();
    FilterIndex index = new FilterIndex(fo, from, te);
    filterIndexVector.addElement(index);
    folderVector = myReader.read("Folder.4on");
    DefaultMutableTreeNode top, inbox, outbox, sentbox, trash;
    top = new DefaultMutableTreeNode("mails");
    top.add(inbox = new DefaultMutableTreeNode("Inbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Inbox"))
         inbox.add(new DefaultMutableTreeNode(m));
    top.add(outbox = new DefaultMutableTreeNode("Outbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Outbox")){
         outbox.add(new DefaultMutableTreeNode(m));
    top.add(sentbox = new DefaultMutableTreeNode("Sentbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Sentbox"))
         sentbox.add(new DefaultMutableTreeNode(m));
    for(int j=0; j<folderVector.size(); j++){
    top.add(trash =
         new DefaultMutableTreeNode(folderVector.elementAt(j).toString()));
    for(int i=0; i<mailIndexVector.size(); i++){
         MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
         if (m.folder.equals(folderVector.elementAt(j).toString()))
         trash.add(new DefaultMutableTreeNode(m));
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode
    (TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.addTreeSelectionListener(new myTreeSelectionListener());
    treeScroll = new JScrollPane(tree);
    treeScroll.setFont(new Font("Monospaced",Font.PLAIN,6));
    baum.add("Center", treeScroll);
    MainMenu menuBar = new MainMenu(this, this);
    setJMenuBar(menuBar);
    setVisible(true);
    public void mailsFetcher() {
    myLetterman = new Letterman(this, mySetup);
    myLetterman.start();
    public void treeNewSign(){
    trae.remove(treeScroll);     
    DefaultMutableTreeNode top, inbox, outbox, sentbox, trash;
    top = new DefaultMutableTreeNode("mails");
    top.add(inbox = new DefaultMutableTreeNode("Inbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Inbox"))
         inbox.add(new DefaultMutableTreeNode(m));
    top.add(outbox = new DefaultMutableTreeNode("Outbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Outbox"))
         outbox.add(new DefaultMutableTreeNode(m));
    top.add(sentbox = new DefaultMutableTreeNode("Sentbox"));
    for(int i=0; i<mailIndexVector.size(); i++){
    MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
    if (m.folder.equals("Sentbox"))
         sentbox.add(new DefaultMutableTreeNode(m));
    for(int j=0; j<folderVector.size(); j++){
    top.add(trash =
         new DefaultMutableTreeNode(folderVector.elementAt(j).toString()));
    for(int i=0; i<mailIndexVector.size(); i++){
         MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
         if (m.folder.equals(folderVector.elementAt(j).toString()))
         trash.add(new DefaultMutableTreeNode(m));
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode
    (TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.addTreeSelectionListener(new myTreeSelectionListener());
    treeScroll = new JScrollPane(tree);
    trae.add("Center", treeScroll);
    trae.repaint();
    setVisible(true);
    public void menuNewSign(){
    setJMenuBar(new MainMenu(this, this));
    setVisible(true);
    public String fromFilter (String t){
    String myFrom = "";
    int start, end;
    int a = t.indexOf("From:");
    if (a != -1){
    start = a + 6;
    ende = t.indexOf("\n",start);
    myFrom = t.substring(start,end);
    return myFrom;
    public String toFilter (String t){
    String myTo = "";
    int start, e1, e2, end;
    int a = t.indexOf("To:");
    if (a != -1){
    start = a + 4;
    end = t.indexOf("\n",start);
    myTo = t.substring(start,end);
    e1 = end + 1;
    if(t.substring(e1,e1+1).equals(" ")){
         while(t.substring(e1,e1+1).equals(" ")){
         while(t.substring(e1,e1+1).equals(" "))
         e1++;
         e2 = t.indexOf("\n",e1);
         myTo += " " + t.substring(e1,e2);
         e1 = e2 + 1;
    return myTo;
    public String dateFilter (String t){
    String myDate = "";
    int start, end;
    int a = t.indexOf("Date:");
    if (a != -1){
    start = a + 6;
    end = t.indexOf("\n",start);
    myDate = t.substring(start,end);
    return myDate;
    public String subjectFilter (String t){
    String mySubject = "";
    int start, end;
    int a = t.indexOf("Subject:");
    if (a != -1){
    start = a + 9;
    end = t.indexOf("\n",start);
    mySubject = t.substring(start,end);
    return mySubject;
    public String mailFilter (String t){ 
    String myMail = "";
    int start = 0, end = t.length();
    start = t.indexOf("\n\n") + 2;
    if (start != 1){
    int a = t.indexOf("\n\n" ,start);
    if (a != -1){
         if (t.indexOf(".",a+2) == a+2)
         if (t.indexOf("\n",a+3) == a+3)
         start = a;
    myMail = t.substring(start,end);
    return myMail;
    public void mailsRemark(String file){
    String mail = "", t = "";
    Vector mailVector = myReader.read(file);
    for (int i=0; i<mailVector.size(); i++)
    t += (String)mailVector.elementAt(i) + "\n";
    from = fromFilter(t);
    subject = subjectFilter(t);
    mailBody = mailFilter(t);
    mail += "Subject: " + subject + "\n";
    mail += "Date: " + dateFilter(t) + "\n";
    mail += "From: " + from + "\n";
    mail += "To: " + toFilter(t) + "\n";
    mail += "\n" + mailBody;
    if(viewSource == true)
    ta.setText(t);
    else
    ta.setText(mail);
    public syncronize void mails(String t){
    Status myStatus = new Status(this,t);
    myStatus.start();
    public void delete(){
    if(tree.getLastSelectedPathComponent() != null){
    DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
    if(node.isLeaf()){
         Object nodeInfo = node.getUserObject();
         if(nodeInfo instanceof MailIndex){
         MailIndex index = (MailIndex)nodeInfo;
         mailIndexVector.removeElement(index);
         int count = 0;
         for(int j=0; j<mailIndexVector.size(); j++){
         MailIndex index1 = (MailIndex)mailIndexVector.elementAt(j);
         String id = index1.mailId;
         if(id.equals(index.mailId))
         count++;
         if(count == 0){
         File home = new File(".");
         String mailsRemark = "." + home.separator + "data";
         File datei = new File(mailsRemark, index.mailId);
         datei.delete();
         treeNewSign();
         menuNewSign();
         else{
         String t = (String)nodeInfo;
         boolean toDelete = false;
         for (int i=0; i<folderVector.size(); i++){
         if(folderVector.elementAt(i).equals(t)){
         folderVector.removeElement(t);
         konnteLoeschen = true;
         if(toDelete == false){
         message("This folder can not be deleted!");
         treeNewSign();
    else
         message("Folder is not Empty! Please delete Your mails.");
    else
    message("No Mails where selected to be deleted!");
    public void forward(){
    if(from != null){
    creatorOeffnen();
    myCreator.tfSb.setText("Fwd to: " + subject);
    myCreator.ta.setText("<" + from + ">" + " wrote:\n\n" + mailBody +
                   "\n\n>\n>\n\n");
    public void reply(){
    if(from != null){
    creatorOeffnen();
    myCreator.tfTo.setText(from);
    myCreator.tfSb.setText("Reply to: " + subject);
    myCreator.ta.setText("<" + from + ">" + " wrote:\n\n" + mailBody +
                   "\n\n>\n>\n\n");
    public void end(){
    String h = "";
    for (int i=0; i<mailIndexVector.size(); i++){
    MailIndex index = (MailIndex)mailIndexVector.elementAt(i);
    h += index.mailId + "\n";
    h += index.folder + "\n";
    h += index.subject + "\n";
    h += index.from + "\n";
    h += index.to + "\n";
    h += index.date + "\n";
    h += index.read + "\n";
    myWriter.writer(h,"Summary.4on");
    String w = "";
    for (int l=0; l<filterIndexVector.size(); l++){
    FilterIndex index = (FilterIndex)filterIndexVector.elementAt(l);
    w += index.folder + "\n";
    w += index.from + "\n";
    w += index.text + "\n";
    myWriter.write(w,"Filter.4on");
    String k = "";
    for(int j=0; j<folderVector.size(); j++)
    k += folderVector.elementAt(j).toString() + "\n";
    myWriter.writer(k,"Folder.4on");
    String t = "";
    for (int l=0; l<myAddressBook.addressIndexVector.size(); l++){
    AddressIndex aindex =
         (AddressIndex)myAdressBook.adressIndexVector.elementAt(l);
    t += aindex.alias + "\n";
    t += aindex.email + "\n";
    myWriter.write(t,"Address.4on");
    setVisible(false);
    dispose();
    System.exit(0);
    public void filterOpen(){
    boolean test = false;
    if(tree.getLastSelectedPathComponent() != null){
    DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
    Object nodeInfo = node.getUserObject();
    if(nodeInfo instanceof String){
         myFilter.folder = (String)nodeInfo;
         for(int i=0; i<filterIndexVector.size(); i++){
         FilterIndex h = (FilterIndex)filterIndexVector.elementAt(i);
         if(h.folder.equals(nodeInfo)){
         myFilter.index = h;
         test = true;
         if(h.from.equals("")){
         myFilter.box1 = false;
         myFilter.fTf.setText("");
         myFilter.fBox.setSelected(false);
         myFilter.fTf.setEditable(false);
         else{
         myFilter.box1 = true;
         myFilter.fTf.setText(h.from);
         myFilter.fBox.setSelected(true);
         myFilter.fTf.setEditable(true);
         if(h.text.equals("")){
         myFilter.box2 = false;
         myFilter.tTf.setText("");
         myFilter.tBox.setSelected(false);
         myFilter.tTf.setEditable(false);
         else{
         myFilter.box2 = true;
         myFilter.tTf.setText(h.text);
         myFilter.tBox.setSelected(true);
         myFilter.tTf.setEditable(true);
         break;
    myFilter.setVisible(true);
    myFilter.fBox.requestFocus();
    else
    meldung("No selection");
    public void sendOutbox(){
    fromOutbox = true;
    int i;
    Block1:
    for(i=0; i<mailIndexVector.size(); i++){
    MailIndex index = (MailIndex)mailIndexVector.elementAt(i);
    if(index.folder.equals("Outbox")){
         Vector mailVector = myReader.read(index.mailId);
    Block2:
         for(int j=0; j<mailVector.size(); j++){
         String m = (String)mailVector.elementAt(j);
         if(m.indexOf("Subject:") != -1){
         for(int k=0; k<=j+1; k++){
         mailVector.removeElementAt(0);
         break Block2;
         Vector toVector = new Vector();
         int tEnd = 1;
         String line = "";
         String t = index.to;
         while (tEnd != -1){
         tEnd = t.indexOf(", ");
         if (tEnd == -1)
         line = t;
         else
         line = t.substring(0,tEnd);
         t = t.substring(tEnd + 1);
         toVector.addElement(line);
         File home = new File(".");
         String mailsVerzeichnis = "." + home.separator + "data";
         File datei = new File(mailsRemark, index.mailId);
         datei.delete();
         mySendman = new Sendman(mailVector, toVector, index.subject,
         ailsAnzeig               mySetup, this);
         mySendman.start();
         mailIndexVector.removeElement(index);
         break Block1;
    if(i == mailIndexVector.size())
    fromOutbox = false;
    treeNewSign();
    public void partion(String cmd){
    if(tree.getLastSelectedPathComponent() != null){
    DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
    Object nodeInfo = node.getUserObject();
    if(nodeInfo instanceof MailIndex){
         MailIndex index = (MailIndex)nodeInfo;
         index.folder = cmd.substring(13).toString();
         treeNewSign();
    else
    meldung("No mails to partion!");
    public void SetupOpen(){
    if (mySetup.savePassword == false)
    mySetup.pTf.setText("");
    mySetup.setVisible(true);
    mySetup.aTf.requestFocus();
    public void addressbookOpen(){
    myAddressBook.setVisible(true);
    myAdressBook.tree.requestFocus();
    public void creatorOpen(){
    myCreator.setVisible(true);
    myCreator.tfTo.requestFocus();
    public void actionPerformed(ActionEvent event){
    Object obj = event.getSource();
    if (obj instanceof JMenuItem){
    String cmd = event.getActionCommand();
    if (cmd.equals("New fetched")){
         mailsfetch();
    else if (cmd.equals("Written new mails")) {
         creatorOpen();
    else if (cmd.equals("Reply")) {
         reply();
    else if (cmd.equals("Forward")) {
         forward();
    else if (cmd.equals("Outbox")) {
         sendOutbox();
    else if (cmd.equals("Delete")) {
         delete();
    else if ((cmd.length() >13) &&
         (cmd.substring(0,13).equals("Sorting-"))){
         sorting(cmd);
    else if (cmd.equals("Using Addressbook")){
         addressbookOpen();
    else if (cmd.equals("Filter working")){
         filterOpen();
    else if (cmd.equals("New Order")){
         myFixTask.tf.setText("");
         myFixTask.setVisible(true);
         myFixTask.tf.requestFocus();
    else if (cmd.equals("delete")){
         delete();
    else if ((cmd.length() >7) &&
         (cmd.substring(0,7).equals("nobody"))){
         if(viewSource == false){
         viewSource = true;
         menuNewSign();
         if(tree.getLastSelectedPathComponent() != null){
         DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
         Object nodeInfo = node.getUserObject();
         if(nodeInfo instanceof MailIndex){
         MailIndex index = (MailIndex)nodeInfo;
         mailsRemark(index.mailId);
         else{
         viewSource = false;
         menuNeuZeichnen();
         if(tree.getLastSelectedPathComponent() != null){
         DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
         Object nodeInfo = node.getUserObject();
         if(nodeInfo instanceof MailIndex){
         MailIndex index = (MailIndex)nodeInfo;
         mailsRemark(index.mailId);
    else if (cmd.equals("Setup")){
         SetupOpen();
    else if (obj instanceof JButton){
    String cmd = event.getActionCommand();
    if (cmd.equals("aga")){
         mailsHolen();
    else if (cmd.equals("Creator Open")){
         creatorOpem();
    else if(cmd.equals("rep")){
         reply();
    else if(cmd.equals("fwd")){
         forward();
    else if(cmd.equals("Setup Open")){
    SetupOpen();
    else if(cmd.equals("adr")){
         addressbookOpen();
    else if(cmd.equals("delete")){
         delete();
    else if(cmd.equals("Information")){
         myInfo.setVisible(true);
         myInfo.b.requestFocus();
    private class myWindowListener extends WindowAdapter{
    public void windowClosing(WindowEvent event){
    end();
    private class myTreeSelectionListener implements TreeSelectionListener{
    public void valueChanged(TreeSelectionEvent e) {
    DefaultMutableTreeNode node =
         (DefaultMutableTreeNode)(e.getPath().getLastPathComponent());
    Object nodeInfo = node.getUserObject();
    if(nodeInfo instanceof MailIndex){
         MailIndex index = (MailIndex)nodeInfo;
         mailsAnzeigen(index.mailId);
         index.read = "Yes";

    Some suggestions:
    1. as the others stated- you should really post specific questions rather than 1 huge ugly class!
    2. use code tags
    3. get a decent IDE- it would take about 1 minute to then see where the error is-
    4. the rrors were just misspelled 'synchronized' and missing argument ','
    5. Try not to make such huge classes!!- Try to follow certain coding "patterns"- like MVC- and not stick everything in 1 class- separate the functionality- it makes coding much easier!
    here is fixed code (at least gets rid of those last errors):
    import java.io.*;
    import java.awt.*;
    import java.util.*;
    import java.awt.event.*;
    import javax.swing.*;
    import javax.swing.tree.*;
    import javax.swing.event.*;
    public class MailClient extends JFrame implements ActionListener{
      private Sendman mySendman;
      private Letterman myLetterman;
      public Writer myWrite;
      public Reader myReader;
      public Composer myComposer;
      private Setup mySetup;
      public Addressbook myAdressbook;
      private FixTask myFixTask;
      private Filter myFilter;
      private Info myInfo;
      public Vector mailIndexVector = new Vector();
      public Vector filterIndexVector = new Vector();
      public Vector folderVector = new Vector();
      private JPanel tArea, trae, icon, tField;
      private JTextArea ta;
      private JScrollPane view, treeScroll;
      private JTree tree;
      public JTextField tf;
      private JSplitPane split;
      private Dimension Size;
      private MailClient myMailClient;
      private String mailBody, subject, from;
      public boolean fromOutbox = false;
      public boolean viewSource = false;
      public static void main (String[] args) {
        MailClient myMailClient = new MailClient();
      public MailClient() {
        super("Mail-Client");
        ImageIcon linux = new ImageIcon("linux.gif");
        this.setIconImage(linux.getImage());
        icon = new JPanel();
        icon.setLayout(new FlowLayout(FlowLayout.LEFT));
        ImageIcon neu = new ImageIcon("getmail.gif");
        JButton neueMails = new JButton(neu);
        newMails.setActionCommand("Getting new Mails");
        newMails.addActionListener(this);
        newMails.setBorderPainted(false);
        newMails.setToolTipText("Getting new Mails");
        ImageIcon cr = new ImageIcon("creator.gif");
        JButton creator = new JButton(cr);
        creator.setActionCommand("Creator open");
        creator.addActionListener(this);
        creator.setBorderPainted(false);
        creator.setToolTipText("Creator open");
        JButton rep = new JButton(new ImageIcon("reply.gif"));
        rep.setActionCommand("rep");
        rep.addActionListener(this);
        rep.setBorderPainted(false);
        rep.setToolTipText("Reply");
        JButton fwd = new JButton(new ImageIcon("fwd.gif"));
        fwd.setActionCommand("fwd");
        fwd.addActionListener(this);
        fwd.setBorderPainted(false);
        fwd.setToolTipText("Forward");
        JButton ein = new JButton(new ImageIcon("settings.gif"));
        ein.setActionCommand("settings open");
        ein.addActionListener(this);
        ein.setBorderPainted(false);
        ein.setToolTipText("Setting open");
        JButton adr = new JButton(new ImageIcon("adressbook.gif"));
        adr.setActionCommand("adr");
        adr.addActionListener(this);
        adr.setBorderPainted(false);
        adr.setToolTipText("Addressbook");
        JButton lo = new JButton(new ImageIcon("trash.gif"));
        lo.setActionCommand("trash");
        lo.addActionListener(this);
        lo.setBorderPainted(false);
        lo.setToolTipText("trash");
        JButton in = new JButton(new ImageIcon("info.gif"));
        in.setActionCommand("Information");
        in.addActionListener(this);
        in.setBorderPainted(false);
        in.setToolTipText("Information");
        icon.add(newMails);
        icon.add(creator);
        icon.add(rep);
        icon.add(fwd);
        icon.add(set);
        icon.add(adr);
        icon.add(lo);
        icon.add(in);
        Vector h1 = myLeser.lese("Summary.4on");
        for(int i=0; i<h1.size(); i+=7){
          String id = h1.elementAt(i).toString();
          String fo = h1.elementAt(i+1).toString();
          String su = h1.elementAt(i+2).toString();
          String fr = h1.elementAt(i+3).toString();
          String to = h1.elementAt(i+4).toString();
          String da = h1.elementAt(i+5).toString();
          String re = h1.elementAt(i+6).toString();
          MailIndex index = new MailIndex(id, fo, su, fr, to, da, re);
          mailIndexVector.addElement(index);
        Vector h2 = myReader.read("Filter.4on");
        for(int j=0; j<h2.size(); j+=3){
          String fo = h2.elementAt(j).toString();
          String from = h2.elementAt(j+1).toString();
          String te = h2.elementAt(j+2).toString();
          FilterIndex index = new FilterIndex(fo, from, te);
          filterIndexVector.addElement(index);
        folderVector = myReader.read("Folder.4on");
        DefaultMutableTreeNode top, inbox, outbox, sentbox, trash;
        top = new DefaultMutableTreeNode("mails");
        top.add(inbox = new DefaultMutableTreeNode("Inbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Inbox"))
            inbox.add(new DefaultMutableTreeNode(m));
        top.add(outbox = new DefaultMutableTreeNode("Outbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Outbox")){
            outbox.add(new DefaultMutableTreeNode(m));
        top.add(sentbox = new DefaultMutableTreeNode("Sentbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Sentbox"))
            sentbox.add(new DefaultMutableTreeNode(m));
        for(int j=0; j<folderVector.size(); j++){
          top.add(trash =
          new DefaultMutableTreeNode(folderVector.elementAt(j).toString()));
          for(int i=0; i<mailIndexVector.size(); i++){
            MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
            if (m.folder.equals(folderVector.elementAt(j).toString()))
              trash.add(new DefaultMutableTreeNode(m));
        tree = new JTree(top);
        tree.getSelectionModel().setSelectionMode
        (TreeSelectionModel.SINGLE_TREE_SELECTION);
        tree.addTreeSelectionListener(new myTreeSelectionListener());
        treeScroll = new JScrollPane(tree);
        treeScroll.setFont(new Font("Monospaced",Font.PLAIN,6));
        baum.add("Center", treeScroll);
        MainMenu menuBar = new MainMenu(this, this);
        setJMenuBar(menuBar);
        setVisible(true);
      public void mailsFetcher() {
        myLetterman = new Letterman(this, mySetup);
        myLetterman.start();
      public void treeNewSign(){
        trae.remove(treeScroll);
        DefaultMutableTreeNode top, inbox, outbox, sentbox, trash;
        top = new DefaultMutableTreeNode("mails");
        top.add(inbox = new DefaultMutableTreeNode("Inbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Inbox"))
            inbox.add(new DefaultMutableTreeNode(m));
        top.add(outbox = new DefaultMutableTreeNode("Outbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Outbox"))
            outbox.add(new DefaultMutableTreeNode(m));
        top.add(sentbox = new DefaultMutableTreeNode("Sentbox"));
        for(int i=0; i<mailIndexVector.size(); i++){
          MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
          if (m.folder.equals("Sentbox"))
            sentbox.add(new DefaultMutableTreeNode(m));
        for(int j=0; j<folderVector.size(); j++){
          top.add(trash =
          new DefaultMutableTreeNode(folderVector.elementAt(j).toString()));
          for(int i=0; i<mailIndexVector.size(); i++){
            MailIndex m = (MailIndex)mailIndexVector.elementAt(i);
            if (m.folder.equals(folderVector.elementAt(j).toString()))
              trash.add(new DefaultMutableTreeNode(m));
        tree = new JTree(top);
        tree.getSelectionModel().setSelectionMode
        (TreeSelectionModel.SINGLE_TREE_SELECTION);
        tree.addTreeSelectionListener(new myTreeSelectionListener());
        treeScroll = new JScrollPane(tree);
        trae.add("Center", treeScroll);
        trae.repaint();
        setVisible(true);
      public void menuNewSign(){
        setJMenuBar(new MainMenu(this, this));
        setVisible(true);
      public String fromFilter (String t){
        String myFrom = "";
        int start, end;
        int a = t.indexOf("From:");
        if (a != -1){
          start = a + 6;
          ende = t.indexOf("\n",start);
          myFrom = t.substring(start,end);
        return myFrom;
      public String toFilter (String t){
        String myTo = "";
        int start, e1, e2, end;
        int a = t.indexOf("To:");
        if (a != -1){
          start = a + 4;
          end = t.indexOf("\n",start);
          myTo = t.substring(start,end);
          e1 = end + 1;
          if(t.substring(e1,e1+1).equals(" ")){
            while(t.substring(e1,e1+1).equals(" ")){
              while(t.substring(e1,e1+1).equals(" "))
                e1++;
              e2 = t.indexOf("\n",e1);
              myTo += " " + t.substring(e1,e2);
              e1 = e2 + 1;
        return myTo;
      public String dateFilter (String t){
        String myDate = "";
        int start, end;
        int a = t.indexOf("Date:");
        if (a != -1){
          start = a + 6;
          end = t.indexOf("\n",start);
          myDate = t.substring(start,end);
        return myDate;
      public String subjectFilter (String t){
        String mySubject = "";
        int start, end;
        int a = t.indexOf("Subject:");
        if (a != -1){
          start = a + 9;
          end = t.indexOf("\n",start);
          mySubject = t.substring(start,end);
        return mySubject;
      public String mailFilter (String t){
        String myMail = "";
        int start = 0, end = t.length();
        start = t.indexOf("\n\n") + 2;
        if (start != 1){
          int a = t.indexOf("\n\n" ,start);
          if (a != -1){
            if (t.indexOf(".",a+2) == a+2)
              if (t.indexOf("\n",a+3) == a+3)
                start = a;
          myMail = t.substring(start,end);
        return myMail;
      public void mailsRemark(String file){
        String mail = "", t = "";
        Vector mailVector = myReader.read(file);
        for (int i=0; i<mailVector.size(); i++)
          t += (String)mailVector.elementAt(i) + "\n";
        from = fromFilter(t);
        subject = subjectFilter(t);
        mailBody = mailFilter(t);
        mail += "Subject: " + subject + "\n";
        mail += "Date: " + dateFilter(t) + "\n";
        mail += "From: " + from + "\n";
        mail += "To: " + toFilter(t) + "\n";
        mail += "\n" + mailBody;
        if(viewSource == true)
          ta.setText(t);
        else
          ta.setText(mail);
      public synchronized void mails(String t){
        Status myStatus = new Status(this,t);
        myStatus.start();
      public void delete(){
        if(tree.getLastSelectedPathComponent() != null){
          DefaultMutableTreeNode node =
              (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
          if(node.isLeaf()){
            Object nodeInfo = node.getUserObject();
            if(nodeInfo instanceof MailIndex){
              MailIndex index = (MailIndex)nodeInfo;
              mailIndexVector.removeElement(index);
              int count = 0;
              for(int j=0; j<mailIndexVector.size(); j++){
                MailIndex index1 = (MailIndex)mailIndexVector.elementAt(j);
                String id = index1.mailId;
                if(id.equals(index.mailId))
                  count++;
              if(count == 0){
                File home = new File(".");
                String mailsRemark = "." + home.separator + "data";
                File datei = new File(mailsRemark, index.mailId);
                datei.delete();
              treeNewSign();
              menuNewSign();
            else{
              String t = (String)nodeInfo;
              boolean toDelete = false;
              for (int i=0; i<folderVector.size(); i++){
                if(folderVector.elementAt(i).equals(t)){
                  folderVector.removeElement(t);
                  konnteLoeschen = true;
              if(toDelete == false){
                message("This folder can not be deleted!");
              treeNewSign();
          else
            message("Folder is not Empty! Please delete Your mails.");
        else
          message("No Mails where selected to be deleted!");
      public void forward(){
        if(from != null){
          creatorOeffnen();
          myCreator.tfSb.setText("Fwd to: " + subject);
          myCreator.ta.setText("<" + from + ">" + " wrote:\n\n" + mailBody +
                               "\n\n>\n>\n\n");
      public void reply(){
        if(from != null){
          creatorOeffnen();
          myCreator.tfTo.setText(from);
          myCreator.tfSb.setText("Reply to: " + subject);
          myCreator.ta.setText("<" + from + ">" + " wrote:\n\n" + mailBody +
                               "\n\n>\n>\n\n");
      public void end(){
        String h = "";
        for (int i=0; i<mailIndexVector.size(); i++){
          MailIndex index = (MailIndex)mailIndexVector.elementAt(i);
          h += index.mailId + "\n";
          h += index.folder + "\n";
          h += index.subject + "\n";
          h += index.from + "\n";
          h += index.to + "\n";
          h += index.date + "\n";
          h += index.read + "\n";
        myWriter.writer(h,"Summary.4on");
        String w = "";
        for (int l=0; l<filterIndexVector.size(); l++){
          FilterIndex index = (FilterIndex)filterIndexVector.elementAt(l);
          w += index.folder + "\n";
          w += index.from + "\n";
          w += index.text + "\n";
        myWriter.write(w,"Filter.4on");
        String k = "";
        for(int j=0; j<folderVector.size(); j++)
          k += folderVector.elementAt(j).toString() + "\n";
        myWriter.writer(k,"Folder.4on");
        String t = "";
        for (int l=0; l<myAddressBook.addressIndexVector.size(); l++){
          AddressIndex aindex =
                   (AddressIndex)myAdressBook.adressIndexVector.elementAt(l);
          t += aindex.alias + "\n";
          t += aindex.email + "\n";
        myWriter.write(t,"Address.4on");
        setVisible(false);
        dispose();
        System.exit(0);
      public void filterOpen(){
        boolean test = false;
        if(tree.getLastSelectedPathComponent() != null){
          DefaultMutableTreeNode node =
              (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
          Object nodeInfo = node.getUserObject();
          if(nodeInfo instanceof String){
            myFilter.folder = (String)nodeInfo;
            for(int i=0; i<filterIndexVector.size(); i++){
              FilterIndex h = (FilterIndex)filterIndexVector.elementAt(i);
              if(h.folder.equals(nodeInfo)){
                myFilter.index = h;
                test = true;
                if(h.from.equals("")){
                  myFilter.box1 = false;
                  myFilter.fTf.setText("");
                  myFilter.fBox.setSelected(false);
                  myFilter.fTf.setEditable(false);
                else{
                  myFilter.box1 = true;
                  myFilter.fTf.setText(h.from);
                  myFilter.fBox.setSelected(true);
                  myFilter.fTf.setEditable(true);
                if(h.text.equals("")){
                  myFilter.box2 = false;
                  myFilter.tTf.setText("");
                  myFilter.tBox.setSelected(false);
                  myFilter.tTf.setEditable(false);
                else{
                  myFilter.box2 = true;
                  myFilter.tTf.setText(h.text);
                  myFilter.tBox.setSelected(true);
                  myFilter.tTf.setEditable(true);
                break;
          myFilter.setVisible(true);
          myFilter.fBox.requestFocus();
        else
          meldung("No selection");
      public void sendOutbox(){
        fromOutbox = true;
        int i;
        Block1:
        for(i=0; i<mailIndexVector.size(); i++){
          MailIndex index = (MailIndex)mailIndexVector.elementAt(i);
          if(index.folder.equals("Outbox")){
            Vector mailVector = myReader.read(index.mailId);
            Block2:
            for(int j=0; j<mailVector.size(); j++){
              String m = (String)mailVector.elementAt(j);
              if(m.indexOf("Subject:") != -1){
                for(int k=0; k<=j+1; k++){
                  mailVector.removeElementAt(0);
                break Block2;
            Vector toVector = new Vector();
            int tEnd = 1;
            String line = "";
            String t = index.to;
            while (tEnd != -1){
              tEnd = t.indexOf(", ");
              if (tEnd == -1)
                line = t;
              else
                line = t.substring(0,tEnd);
              t = t.substring(tEnd + 1);
              toVector.addElement(line);
            File home = new File(".");
            String mailsVerzeichnis = "." + home.separator + "data";
            File datei = new File(mailsRemark, index.mailId);
            datei.delete();
            mySendman = new Sendman(mailVector, toVector, index.subject,ailsAnzeig, mySetup, this);
            mySendman.start();
            mailIndexVector.removeElement(index);
            break Block1;
        if(i == mailIndexVector.size())
          fromOutbox = false;
        treeNewSign();
      public void partion(String cmd){
        if(tree.getLastSelectedPathComponent() != null){
          DefaultMutableTreeNode node =
              (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
          Object nodeInfo = node.getUserObject();
          if(nodeInfo instanceof MailIndex){
            MailIndex index = (MailIndex)nodeInfo;
            index.folder = cmd.substring(13).toString();
            treeNewSign();
        else
          meldung("No mails to partion!");
      public void SetupOpen(){
        if (mySetup.savePassword == false)
          mySetup.pTf.setText("");
        mySetup.setVisible(true);
        mySetup.aTf.requestFocus();
      public void addressbookOpen(){
        myAddressBook.setVisible(true);
        myAdressBook.tree.requestFocus();
      public void creatorOpen(){
        myCreator.setVisible(true);
        myCreator.tfTo.requestFocus();
      public void actionPerformed(ActionEvent event){
        Object obj = event.getSource();
        if (obj instanceof JMenuItem){
          String cmd = event.getActionCommand();
          if (cmd.equals("New fetched")){
            mailsfetch();
          else if (cmd.equals("Written new mails")) {
            creatorOpen();
          else if (cmd.equals("Reply")) {
            reply();
          else if (cmd.equals("Forward")) {
            forward();
          else if (cmd.equals("Outbox")) {
            sendOutbox();
          else if (cmd.equals("Delete")) {
            delete();
          else if ((cmd.length() >13) &&
                   (cmd.substring(0,13).equals("Sorting-"))){
            sorting(cmd);
          else if (cmd.equals("Using Addressbook")){
            addressbookOpen();
          else if (cmd.equals("Filter working")){
            filterOpen();
          else if (cmd.equals("New Order")){
            myFixTask.tf.setText("");
            myFixTask.setVisible(true);
            myFixTask.tf.requestFocus();
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