Overview of Java Collections The Java Collections Framework is categorized primarily into three structures: Set, List, and Map. Set containers handle unordered collections with unique elements, List maintains ordered sequences that permit duplicates, and Map manages key-value pairs. The Set Interfac...
HashMap is based on the hash table implementation of the Map interface. The performance of insertion and query operations is constant. The capacity and load factor can be set through the constructor to adjust performance. Hash table: Given a table M, there exists a function f(key). For any given key...
Theoretical Foundation This week's study focused on consolidating core Java concepts from the introductory modules. Key areas included Java's architecture-neutral design, standardized coding conventions, and the practical workflow within the Eclipse IDE. A significant portion of the review targeted...
Key Characteristics No guaranteed order of elements during iteration. Keys and values can be null, but only one null key is allowed. Keys are unique, enforced by the underlying data structure. Pre-JDK 1.8: implemented with an array of linked lists. From JDK 1.8 onward, long chains (length > 8) in...