chore(deps): Bump com.cedarsoftware:java-util from 3.9.0 to 4.0.0

[dependabot]

Bumps com.cedarsoftware:java-util from 3.9.0 to 4.0.0.

Changelog

Sourced from com.cedarsoftware:java-util's changelog.

4.0.0

• FEATURE: Added deepCopyContainers() method to CollectionUtilities and ArrayUtilities:
  • Deep Container Copy: Iteratively copies all arrays and collections to any depth while preserving references to non-container objects ("berries")
  • Iterative Implementation: Uses heap-based traversal with work queue to avoid stack overflow on deeply nested structures
  • Circular Reference Support: Properly handles circular references, maintaining the circular structure in the copy
  • Enhanced Type Preservation:
    • EnumSet → EnumSet (preserves enum type)
    • Deque → LinkedList (preserves deque operations, supports nulls)
    • PriorityQueue → PriorityQueue (preserves comparator and heap semantics)
    • SortedSet → TreeSet (preserves comparator and sorting)
    • Set → LinkedHashSet (preserves insertion order)
    • List → ArrayList (optimized for random access)
    • Other Queue types → LinkedList (preserves queue operations)
  • Performance Optimizations:
    • Primitive arrays use System.arraycopy for direct copying without boxing/unboxing overhead
    • Primitive arrays at root level are not queued (already fully copied)
    • Collections are pre-sized to avoid resize/rehash operations during population
    • Only containers are queued for processing, eliminating per-element allocations
    • Direct array access for object arrays instead of reflection in tight loops
    • Pre-sized IdentityHashMap (64) to avoid rehash thrashing
    • EnumSet uses efficient clone().clear() for empty sets
  • Maps as Berries: Maps are treated as non-containers and not deep copied
  • Thread Safety Note: Method is not thread-safe under concurrent source mutation
• FEATURE: Added caseSensitive configuration option to MultiKeyMap:
  • Case-Sensitive Mode: New constructor MultiKeyMap(boolean caseSensitive) allows case-sensitive String key comparisons (default remains case-insensitive)
  • Performance Optimization: Eliminated per-key branching by storing caseSensitive as final field, improving JIT optimization
  • Full API Support: Case sensitivity applies to all MultiKeyMap operations including standard Map interface and multi-key methods
  • Documentation: Updated README.md with examples showing case-sensitive vs case-insensitive behavior
• DOCUMENTATION: Updated README.md to document MultiKeyMap's advanced configuration options:
  • Added examples for case-sensitive mode configuration
  • Added examples for value-based equality mode for cross-type numeric comparisons
  • Updated comparison table showing MultiKeyMap's unique features vs competitors
• MAJOR PERFORMANCE OPTIMIZATION: Enhanced MultiKeyMap with comprehensive performance improvements based on GPT5 code review:
  • Fixed KIND_COLLECTION Fast Path: Added !valueBasedEquality check to gate fast path, ensuring collections with numerically equivalent but type-different elements match correctly (e.g., [1,2,3] matches [1L,2L,3L] in value-based mode)
  • Optimized compareNumericValues: Replaced with highly optimized version using same-class fast paths, avoiding BigDecimal conversion for common cases. Added helper methods: isIntegralLike, isBig, extractLongFast, toBigDecimal
  • Defensive RandomAccess Checking: Added instanceof List checks before instanceof RandomAccess in 6 locations to prevent ClassCastException
  • Branch-Free Loop Optimization: Split loops by valueBasedEquality mode in 7 comparison methods, eliminating per-element branching for better JIT optimization and CPU branch prediction
  • Avoided Primitive Boxing: Refactored comparePrimitiveArrayToObjectArray to avoid boxing in type-strict mode with direct type checking
  • Collapsed Duplicate Type Ladders: Created primVsList and primVsIter helper methods, eliminating redundant 8-type switch statements and reducing bytecode size
  • Consolidated Symmetric Methods: Made symmetric comparison methods delegate to their counterparts, reducing code duplication
  • NaN Handling for Primitive Arrays: Added special NaN handling for double[] and float[] arrays respecting valueBasedEquality mode
  • Ref-Equality Guards: Added if (a == b) continue; guards in all comparison loops, leveraging JVM caching for common values
• PERFORMANCE ENHANCEMENT: Enhanced MultiKeyMap with significant hash computation optimizations:
  • Hash Computation Limit: Added MAX_HASH_ELEMENTS (4) limit to bound hash computation for large arrays/collections, significantly improving performance
  • Early Exit Optimization: Hash computation now stops early for large containers while maintaining excellent hash distribution
  • Dimensionality Check Optimization: Separated hash computation from dimensionality detection for better performance on large containers
  • ArrayList Optimization: Added specialized fast path for ArrayList iteration avoiding iterator overhead
  • Primitive Array Optimizations: Enhanced hash computation for String[], int[], long[], double[], and boolean[] arrays with bounded processing
  • Generic Array Processing: Improved reflection-based array processing with hash computation limits
  • Collection Processing: Optimized both ArrayList and generic Collection processing with early termination

... (truncated)

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