Kuidas lahendab Java 8 kokkupõrke probleemi töötamisel kogumite või andmestruktuuridega?

In Java 8, to address collision issues in collections like HashMap, the implementation of hash tables was improved. Main changes:

• When there are many collisions (when a single bucket in the hash table contains many elements), instead of a simple linked list, a balanced tree (e.g., a red-black tree) is used.
• This allows reducing the search time from O(n) to O(log n) in cases of many collisions.

Thus, Java 8 improved the performance of collections under unfavorable hash distributions, reducing performance degradation caused by collisions.