Study the scenario and complete the question(s) that follow: Sets and Maps A map is a container object that stores a collection of key/value pairs. It enables fast retrieval, deletion, and updating of...



Study the scenario and complete the question(s) that follow:



Sets and Maps

A map is a container object that stores a collection of key/value pairs. It enables fast retrieval, deletion, and updating of the pair through the key. A map stores the values along with the keys. The keys are like
indexes. In List, the indexes are integers. In Map, the keys can be any objects. A map cannot contain duplicate keys. Each key maps to one value. A key and its corresponding value form an entry stored in a map. There are three types of maps: HashMap, LinkedHashMap, and TreeMap. The common features of these maps are defined in the Map interface.




1.1 Using the Map interface knowledge, create a Java application in NetBeans that implements

a HashMap and a LinkedHashMap. The application must do the following:




a. Add at least 5 elements to the HashMap
b. Print out all the elements in the HashMap including their keys
c. Find and print out the value of a specific index
d. Remove one of the elements from the HashMap
e. Print out the HashMap after removing the element
f. Add at least 5 elements to the LinkedHashMap
g. Print out all the elements in the LinkedHashMap



Jun 02, 2022
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