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  1. #1
    Wizard0860 is offline Member
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    Nov 2012
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    Default Converting Binary

    So I have to make an extension to a program where when the convert button is pressed, the binary will change into a number from 1-255.

    So far, I have the following for this specific part. No idea how to convert.

    Java Code:
    public Display10()
             setLayout(new GridLayout(1, 8));
             bits = new JLabel[8];
             for(int x = 0; x < bits.length; x++)
                bits[x] = new JLabel("", SwingConstants.CENTER);
                bits[x].setFont(new Font("Serif", Font.BOLD, 50));
    The following is the convert method which I have done so far.

    Java Code:
    public void convert()
             String[] converter=new String[bits.length];
             for(int i=0;i<bits.length;i++)
                converter[i] = bits[i].getText();

  2. #2
    sehudson's Avatar
    sehudson is offline Senior Member
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    Mar 2010
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    Default Re: Converting Binary

    Is your randomize() method responsible for setting the text in each of your JLabels in the bits[] to a "0" or "1"?

  3. #3
    jim829 is offline Senior Member
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    Jan 2013
    Northern Virginia, United States
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    Default Re: Converting Binary

    I assume you are talking about converting from a binary string to a decimal value. Well, you could use the following from the JDK.

    Java Code:
    String bitString = "10101";
    int val = Integer.parseInt(bitString, 2);
    Or do it yourself.
    Lets assume this was decimal.

    int n = 0;
    String nStr = "1234";
    1. Remove the left most digit and add its representative value into n
    2. if no digits left, you are done
    3. Multiply n by 10
    4. go to 1.

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