I have little homework today.
But I have a little time to study.
There is little milk in the fridge.
We can make a little coffee.
❌ I have little friends.
❌ There is a little water in the bottle.
❌ I need little help.
✅ I have a little friends.
✅ There is little water in the bottle.
✅ I need a little help.
A: No, use "a little" for countable nouns.
A: No, both are informal.