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 03132009, 12:54 AM #1Member
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 03132009, 12:59 AM #2Senior Member
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int 25/2 isn't 22. it's 12. i don't get any kind of mathematical process that would result in 22 using division and the numbers 25 and 2.
what have you tried and gotten as your output so far?
 03132009, 01:00 AM #3Member
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sorry made typo! I mean 12
 03132009, 01:04 AM #4Senior Member
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so what does your code that you gave do? i'm pretty sure you already have your answer.
 03132009, 01:08 AM #5Member
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ah damn.. sorry, It must be something else in my code :( Been stuck on it all night
Java Code:int decimal = 100; int[] array = {}; for(int i=0; decimal>= 0; i++){ if(decimal%2 == 0){ array[i]=0; }else{ array[i]=1; } decimal= decimal/2; }
Last edited by RobertF; 03132009 at 01:15 AM.
 03132009, 01:35 AM #6Member
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Your original question was "how to discard a remainder?" is there another question you have or is it still the same one??
 03132009, 01:39 AM #7Member
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It's another one, I realised it must have been something else in my code to why it wasn't working.. I've updated it now though its:
Java Code:int decimalNum = 100; int[] array; array = new int[38]; for(int i=0; decimalNum> 0; i++){ if(decimalNum%2 == 0){ array[i]=0; System.out.println(array[i]); }else{ array[i]=1; System.out.println(array[i]); } decimalNum = decimalNum/2; }
array[1] = 0
array[2] = 0
array[3] = 1
array[4] = 0
array[5] = 0
array[6] = 1
array[7] = 1
but then there's also array [8] to [37] which contain "0" is there anyway of not having to tell the array how many spaces to allocate? so the loop will add to it, instead of replace the current ones?
the binary is backwards in the array but I can probably sort that out somehow.
 03132009, 02:00 AM #8Member
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If im understanding what your asking Im going to tell you to instead of using a for loop, because you use a for loop when you know how many times you what your loop to run, try using a while loop, so while(your condition) {
your code
}

It might be easier to manipulate a String and char array via
Java Code:String binaryString = Integer.toBinaryString(decimalNum);
 03132009, 12:20 PM #10Member
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