mobile typing isn't scored — practice only
List<String> names = users.stream()
Java · general · type the snippet below to practice
def fib(n):
a, b = 0, 1
for _ in range(n):
a, b = b, a + b
return a
about this snippet
This is the streamfilter snippet in Java — 6 lines of real Java code that exercises common patterns you'll see in production. DeveloperType scores you on net WPM and accuracy and only counts runs above 95% accuracy on the leaderboard, so practice rewards precision, not speed alone.
view source (6 lines)
List<String> names = users.stream()
.filter(u -> u.isActive())
.map(User::getName)
.sorted()
.collect(Collectors.toList());
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