dinesh Archive
TreeMap class A TreeMap contains values based on the key. It implements the NavigableMap interface and extends AbstractMap class. It contains only unique elements. It cannot have null key but can have multiple null values. …
This class extends HashMap and maintains a linked list of the entries in the map, in the order in which they were inserted. This allows insertion-order iteration over the map. That is, when iterating a …
What is Hashing? Hashing in its simplest form, is a way to assigning a unique code for any variable/object after applying any formula/algorithm on its properties. A true Hashing function must follow this rule: Hash …
HashMap class extends AbstractMap and implements Map interface. It uses a hashtable to store the map. This allows the execution time of get() and put() to remain same. HashMap has four constructor. HashMap() HashMap(Map< ? …
In this tutorial we will discuss about download ms excel files from JAX-RS, for user to download a file, annotate the method with @Produces(“application/vnd.ms-excel”) : Put @Produces(“application/vnd.ms-excel”) on service method, with a Response return type. …
In this tutorial we will discuss about download pdf files from JAX-RS, for user to download a file, annotate the method with @Produces(“application/pdf”) : Put @Produces(“application/pdf”) on service method, with a Response return type. It …
In this tutorial we will discuss about download image files from JAX-RS, for user to download a file, annotate the method with @Produces(“image/image-type”) : Put @Produces(“image/png”) on service method, with a Response return type. …
