Tag Archives: Explain HashSet in collection

Comparison table of SET Implemented classes?

Comparison table of SET Implemented classes?

Java Set is a collection of elements (Or objects) that contains no duplicate elements. Java Set is an interface that extends Collection interface. Unlike List, Java Set is NOT an ordered collection, it’s elements does NOT have a particular order. Java Set does NOT provide a control over the position where you can insert an element. You cannot access elements by their ...

Read More »

Difference between HashSet and LinkedHashSet?

Difference between HashSet and LinkedHashSet?

Difference between HashSet and LinkedHashSet? It is the child class of HashSet. A LinkedHashSet is an ordered version of HashSet that maintains a doubly-linked List across all elements. Contains unique elements only like HashSet. Provides all optional set operations, and permits null elements. Maintains insertion order. LinkedHashSet doesn’t have its own methods. All methods are inherited from its superclass i.e ...

Read More »

HashSet in Java and what is FillRatio or LoadFactor?

HashSet in Java and what is FillRatio or LoadFactor?

HashSet in Java and what is FillRatio or LoadFactor? The underlying data-structure is Hashtable. Duplicate objects are not allowed. Insertion order is not preserved and it is based on HashCode of objects. Null insertion is possible (only once). Heterogeneous objects are allowed. Implements serializable and cloneable but not the RandomAccess interface. HashSet is the best choice if our frequent operation is ...

Read More »

Responsive WordPress Theme Freetheme wordpress magazine responsive freetheme wordpress news responsive freeWORDPRESS PLUGIN PREMIUM FREEDownload theme free