public <T> T getRandomListEntryExcluding(List<T> list, T toExclude) {
		T obj;
		do
		{
			int random = MathUtils.randomIntInRange(0, list.size() - 1);
			obj = list.get(random);
		}
		while(obj.equals(toExclude));

		return obj;
}

calling getRandomListEntryExcluding(peacefulMobs, entityClass) where entityClass: Class<? extends EntityLiving> and peacefulMobs: List<Class<? extends EntityLiving>> fails with "Inference variable T has incompatible bounds" on java 8 and not 7