6- Using maps in Java

Published: 22 December 2015
on channel: Java Web Development

5,657

Define a key in the key space with type of String or Number (Integer, Float)
Define a relation between this key and the real value (Any object).
Use put() and get() methods to put or access to elements.
Override hashCode() method of the class of the items.
If key is a custom type, hashCode() method of the class must return as unique result as possible for each instance. Because evenly distributed keys mean high performance. You will learn the performance considerations of using a Map.
Access the source codes, exercises and their solutions at
https://www.udemy.com/java-8-core-tra...

On this page of the site you can watch the video online 6- Using maps in Java with a duration of hours minute second in good quality, which was uploaded by the user Java Web Development 22 December 2015, share the link with friends and acquaintances, this video has already been watched 5,657 times on youtube and it was liked by 38 viewers. Enjoy your viewing!