Answer:
A HashMap< String, Agent >
is a best collection for this
Explanation:
Collection is basically a framework that is used in order to perform operations on data and to store and manipulate objects.
HashMap is a Map based collection where Map is a data structure of interface which allows the key and value pairs mapping and HashMap is a collection class used to store these key-value pairs of data.
The syntax is:
HashMap<key, value>
So in HashMap< String, Agent > statement the String is used to store the codename for every agent and Agent is an object that represents each agent. So this is represented as key-value pair using HashMap.
