Postfix Expression Calculatro


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Thread: Postfix Expression Calculatro

  1. #1
    Join Date
    Aug 2009
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    4

    Postfix Expression Calculatro

    The application reads a string which represent as the infix expession and evaluates it and ouput the result.
    Optional featues:
    -Make the GUI
    -Use awt/swing

    Hint:
    -Convert the infix to postfix expression using a Stack
    -Evaluates the postfix expression using a Stack

    Java Code Only

    Thanks in advance and more power on this site.

  2. #2
    Join Date
    Aug 2009
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    2
    how much extra credit will your teacher give you for using Swing?

  3. #3
    Join Date
    Aug 2009
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    4
    Any, the important things is to display the output,
    for example,

    input: 1+2*3-4
    output: 3

    precedence: */% +-

    must better if you include also the postfix in the result.
    thanks...!!!

  4. #4
    Join Date
    Aug 2009
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    2
    *sigh* Sarcasm is lost on kids these days.

  5. #5
    Join Date
    Aug 2009
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    Hepl me please...!!!

  6. #6
    Join Date
    Aug 2009
    Posts
    4

    Hepl me

    The application reads a string which represent as the infix expession and evaluates it and ouput the result.

    for example,

    input: 1+2*3-4


    Output

    Result for postfix: "display the postfix value"
    Result:"3"

  7. #7
    Join Date
    Apr 2008
    Location
    Finland
    Posts
    52
    Show what you have got so far and you'll get help.

  8. #8
    Join Date
    Apr 2007
    Location
    Sterling Heights, Michigan
    Posts
    8,666
    Quote Originally Posted by uclmbenz_castro View Post
    The application reads a string which represent as the infix expession and evaluates it and ouput the result.

    for example,

    input: 1+2*3-4


    Output

    Result for postfix: "display the postfix value"
    Result:"3"
    I've read this several times, but I can't find a question.

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