Java Collections Tutorial
This Java Collections Tutorial series explains the usage of the Java collections framework including Lists, Maps and Sets. It will discuss the …
Java Collections – HashMap vs Hashtable vs TreeMap Performance
For this test, I decided to evaluate HashMap. Hashtable and vs TreeMap using the three basic operations (put(), get(), and remove()) and …
Java Collections – LinkedHashMap Example
The LinkedHashMap is a hash table and linked list based implementation of the map interface and represents a mapping between a key …
Java Collections – LinkedHashSet Example
The LinkedHashSet is a hash table and Linked List based implementation of the Set interface. A LinkedHashSet is different than the HashSet …
Java Collections – TreeSet Example
A Red-Black tree based TreeMap implementation. The TreeSet is sorted according to the natural ordering, or by a Comparator provided at TreeSet …
Java Collections – HashSet Example
The HashSet class implements the Set interface and uses a HashMap for storage. Ordering of the elements is not guaranteed to remain …