to select certain details from text file


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Thread: to select certain details from text file

  1. #1
    Join Date
    Nov 2006
    Posts
    3

    Exclamation to select certain details from text file

    hi,
    i was wondering how can i select n display only certain items from the text file. lets say i have name , address, birthdate, location in the file.
    However, i would only like to retrieve the address. how can i do that? thanks

    currently i have managed to select out all the info by using this following codes.


    File inputFile = new File("C:\\temp\\test.txt");
    try{
    FileReader in= new FileReader(inputFile);
    int c;
    String str;

    while ((c = in.read()) != -1) {
    System.out.print((char) c);

    }
    in.close();

    }catch (FileNotFoundException e){
    System.out.println("File Does not exist");
    System.exit(1);

  2. #2
    Join Date
    Dec 2005
    Posts
    97
    what does the data in the file look like?
    is it something like:
    "Name: John
    Address: 123 something st.
    Birthdate: 12/3/78"

    or is it something else?

  3. #3
    Join Date
    Nov 2006
    Posts
    3

    Exclamation

    it looks like this.

    name age location

    john 13 usa
    peter 14 au
    jane 15 seoul

    lets say i would only like to select out the age.how do i do tht?
    thanks

  4. #4
    Join Date
    Dec 2004
    Location
    San Bernardino County, California
    Posts
    1,468
    The Scanner class is designed to perform the very task you are looking at.

  5. #5
    Join Date
    Nov 2006
    Posts
    3
    where can i find it?
    thanks

  6. #6
    Join Date
    Dec 2004
    Location
    San Bernardino County, California
    Posts
    1,468
    Take a look at the API documentation

    http://java.sun.com/j2se/1.5.0/docs/api/

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