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Thread: Files

  1. #1
    Join Date
    Jan 2009
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    Cool Files

    hello to everybody i ve the following example and i want to make files with the objects of the class "dokimi" but the compiler it has another ideas:) in the txt file instead of the account and the name it show me this: η†5 xrΓδk9ϋί xr€sde%π« xr java.lang.ExceptionΠύ xr java.lang.ThrowableΥΖ5'9wΈΛ L causet Ljava/lang/Throwable;L
    detailMessaget Ljava/lang/String;[
    stackTracet [Ljava/lang/StackTraceElement;xpq ~ t ofthalmiatreio.dokimiur [Ljava.lang.StackTraceElement;F*<<ύ"9 xp sr java.lang.StackTraceElementa ...

  2. #2
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    my code is :

    * To change this template, choose Tools | Templates
    * and open the template in the editor.

    package ofthalmiatreio;

    * @author kris
    public class dokimi {

    private int account;
    private String name;

    public dokimi(int acc, String name){


    public void setAcc(int acc){

    public int getAcc(){

    return account;

    public void setName(String name){;
    public String getName(){

    return name;

    public static void main(String args[]) throws IOException
    // Create file
    File file = new File("c:\\test.txt");
    ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file));
    dokimi a=new dokimi(1237,"Christos");
    //Close the output stream
    }catch (Exception e){//Catch exception if any
    System.err.println("Error: " + e.getMessage());


    has anyone any idea for what happen??

  3. #3
    Fubarable's Avatar
    Fubarable is offline Moderator
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    when posting your code, please use code tags so that your code will retain its formatting and be readable. To do this, you will need to paste already formatted code into the forum, highlight this code, and then press the "code" button at the top of the forum Message editor prior to posting the message. Another way is to place the tag &#91;code] at the top of your block of code and the tag &#91;/code] at the bottom, like so:

    Java Code:
      // your code block goes here.
      // note the differences between the tag at the top vs the bottom.

  4. #4
    DarrylBurke's Avatar
    DarrylBurke is offline Forum Police
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    And read the documentation for


  5. #5
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    Jan 2009
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    Ok i didn t know this trick. I find something for my problem. I ve written this to my code and it works in a way.

    public class dokimi implements Serializable{

    I found it in the google but i dont exactly understand what it does.
    The results is txt files is the following:
    ¬ν sr ofthalmiatreio.dokimi…i uΝ'ΖV I accountL namet Ljava/lang/String;xp Υt Christos

    So the above results is the properly results in the case of file writing?
    Also i cant find the reason why in the txt it doesnt show the numper of account.

    Anyone who can help???

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