List<String> strList = new ArrayList<>();
		strList.add("Anna");
		strList.add("Ada");
		strList.add("Bob");
		strList.add("Bob");

		List<String> removeList = new ArrayList<>();
		removeList.add("Bob");
		strList.removeAll(removeList);

		for (int i = strList.size() - 1; i > 0; i--) {
			if(strList.get(i).equals("Bob")) strList.remove(i);
		}

		System.out.println(strList);