Bit Manipulation Java

Question

So, Supposing I have the byte set

0101 0101 0110 0010 1101 0100 1111 0010 1011 0010 0101 1010

How would I do to get every byte independently? For example, printing them so the output is:

Thanks a Lot!

Some Code:

protected String parse(StringBuilder builder) {

    String pBinary = getBinary(p);
    String qBinary = getBinary(q);
}

private String getBinary(BigInteger integer) {
    StringBuilder builder = new StringBuilder();

    for (byte bytes : integer.toByteArray()) {
        builder.append(" ");

        String binary = Integer.toBinaryString(Byte.toUnsignedInt(bytes));

        if (binary.length() != 8)
            for (int i = binary.length(); i < 8; i++)
                builder.append(0);

        builder.append(binary);
    }

    return builder.substring(1);
}

p and q are BigIntegers.

The idea is to insert at the start of the StringBuilder a "Mixture" of both binaries.

So if binary 1 is 01101001 01010111 and binary 2 is 10111010,

the mixture will result in 01101001 00000000 01010111 10111010

Given no further details, I would copy/paste your line into Notepad and manually insert CRLF to create the output list. — Martin James, Mar 12 '16 at 18:50
Do you actually read a binary stream as input, or do you get a binary string (a string only containing characters '0' and '1')? — Joffrey, Mar 12 '16 at 18:51
I'm reading the bytes from 2 BigIntegers, and need to "mix" them so the first byte corresponds to the first integer, the second one to the second integer, the third one to the first integer and so — Juanco, Mar 12 '16 at 18:59

score 1 · Accepted Answer · edited May 23 '17 at 12:07

1

If you have a string that has words separated by spaces you can do

String[] words = myString.split("\\s+")

More detailed answer here, How do I split a string with any whitespace chars as delimiters?

edited May 23 '17 at 12:07

Community

1
1

answered Mar 12 '16 at 19:19

francium

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Very funny indeed! – laune Mar 12 '16 at 21:20

Bit Manipulation Java

1 Answers1