Why practise typing this
Typing collections code builds muscle memory for the symbols and indentation Java uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More Java practice
- HashMap And getOrDefaultCollections · intermediate
- List.of Is UnmodifiableCollections · intermediate
- Primitive TypesVariables & Types · beginner
- Local Type InferenceVariables & Types · beginner
- Integer CachingVariables & Types · intermediate
- Strings Are ImmutableStrings · beginner