Mine

class crazyCounter{public static void main (String... args){int n=0;int a = 12345;boolean b = false;while (n <= 1000){	System.out.println(pruefe(n));	b = isBitSet (n, 5);	if (b == true)	{		System.out.println(n);	}	n++;}//System.out.println(Integer.toBinaryString(10000));}static int pruefe(int n){if (n%5 ==0){	return n;}else{	return 0;}}public static boolean isBitSet(int value, int n) { return (value & (1 << n)) == (1 << n);}/*static dec2dual(int b){int m = b;int n = 2;int r = m%n;while(r != 0) {  m = n;  n = r;  r = m%n;}System.out.println(n);*/}