Types Of Map In Java

We will discuss about maps in java. The map interface provides three collection views, which allow a map's contents to be viewed as a set of keys. For that, we'll use the intintmaps factory class:

Please note that a key can only have one value, hence the requirement for a object that is unique. T − the generic type parameter passed during set declaration. We can add any type be it integer, string, float.

Types Of Map In Java If you want maximum speed and don't.

In this post, i will illustrate how to use different types of maps, such as hashmap, treemap, hashtable and linkedhashmap. Nested map is used in many cases, such as storing students' names with their ids of different courses. Let's create an empty map where both keys and values are primitive int s. There are two interfaces for implementing map in java: