Map<Integer, Integer> map = new HashMap<Integer,Integer>();

int[] sizeEight = {1,2,3,4,5,6,7,8};
int[] sizeTen = {1,2,3,4,5,6,7,8,9,10};

for(int i = 0; i < sizeEight.length; i++) {
	if(map.containsKey(sizeEight[i])) {
		int count = map.get(sizeEight[i]);
		map.put(sizeEight[i],(count + 1));
	}
	else {
		map.put(sizeEight[i],1);
	}
}

for(int i = 0; i < sizeTen.length; i++) {
	if(map.containsKey(sizeTen[i])) {
		int count = map.get(sizeTen[i]);
		map.put(sizeTen[i],(count + 1));
	}
	else {
		map.put(sizeTen[i],1);
	}
}

System.out.println("The following numbers are unique:");

Iterator i = map.Iterator();
while(i.hasNext()) {
	Map.Entry me = (Map.Entry)i.next();

	if(me.getValue() == 1) {
		System.out.println(me.getKey() + " ");
	}
}