java.util APIs

Composite Recipes

Recipes that include further recipes, often including the individual recipes below.

• Adopt SequencedCollection
• Replace Inflater and Deflater end() calls with close()
• Use modernized java.util APIs

Recipes

• Prefer EnumSet.of(..)
• Prefer List.of()
• Prefer List.of(..)
• Prefer List.of(..)
• Prefer List.of(..)
• Prefer Locale.of(..) over new Locale(..)
• Prefer Map.of()
• Prefer Map.of(..)
• Prefer Map.of(..)
• Prefer Optional.isEmpty()
• Prefer Optional.isPresent()
• Prefer Predicate.not(..) over casting to Predicate and calling negate()
• Prefer Set.of()
• Prefer Set.of(..)
• Prefer Set.of(..)
• Prefer Set.of(..)
• Remove finalize() invocations on Deflater, Inflater and ZipFile
• Replace List.get(int), add(int, Object), and remove(int) with SequencedCollection *First and *Last methods
• Replace Math.random() with ThreadLocalRandom.current().nextDouble()
• Replace Stream.collect(Collectors.toUnmodifiableList()) with Stream.toList()
• Replace filter(Optional::isPresent).map(Optional::get) with flatMap(Optional::stream)
• Replace iterator().next() with getFirst()
• Use Reader.of(CharSequence) for non-synchronized readers
• Use getFirst() instead of stream().findFirst().orElseThrow()