reading Integer


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Thread: reading Integer

  1. #1
    Siz Guest

    reading Integer


    I'm new to java!
    I'm reading integer here is the code I'm using!
    and it always get different than what I enter.
    Can anyone help me in this!

    what is the best way to read integer!
    when I trace RO value it is fixed so I didn't get whats the problem!!!
    ===========================
    System.out.println("Enter the number of rows of the first matrix:");

    InputStreamReader rr = new InputStreamReader(System.in);
    BufferedReader bf1 = new BufferedReader(rr);
    String dV1 = new String(bf1.readLine());
    char dd1= dV1.charAt(0); int RO= dd1;

  2. #2
    Paul Clapham Guest

    Re: reading Integer


    Siz <sizhnorr@hotmail.com> wrote in message news:38dac27f@news.devx.com...
    >
    > I'm new to java!
    > I'm reading integer here is the code I'm using!
    > and it always get different than what I enter.
    > Can anyone help me in this!
    >
    > what is the best way to read integer!
    > when I trace RO value it is fixed so I didn't get whats the problem!!!
    > ===========================
    > System.out.println("Enter the number of rows of the first matrix:");
    >
    > InputStreamReader rr = new InputStreamReader(System.in);
    > BufferedReader bf1 = new BufferedReader(rr);
    > String dV1 = new String(bf1.readLine());
    > char dd1= dV1.charAt(0); int RO= dd1;


    When you do "int RO=dd1" you are _casting_ a char to an int. This gives the
    int the Unicode value of the char. For example, the Unicode value of '1' is
    49. Try int RO = Integer.parseInt(dd1);.




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