public void separateOddEven(int low, int high) {
		int i = low;
		int j = high;
		while (i < j) {
			while (i<high && arrA[i] % 2 != 0) {
				i++;
			}
			while (j>low && arrA[j] % 2 == 0) {
				j--;
			}
			if (i <= j) {
				swap(i, j);
				i++;
				j--;
			}
		}
	}