Algorithms and Programming. Java Map Implementations | Lecture Note - Edubirdie

University:
California State University, Northridge
Course:
COMP 110/L | Introduction to Algorithms and Programming and Lab
Academic year:

2024
Views:

192

Pages:

2
Author:

enirehtaknlm

import java.util.*; public class TestMap { public static void main(String[] args) { // Create a HashMap Map hashMap = new HashMap(); hashMap.put("Smith", 30); hashMap.put("Anderson", 31); hashMap.put("Lewis", 29); hashMap.put("Cook", 29); System.out.println("Display entries in HashMap"); System.out.println(hashMap); // Create a TreeMap from the previous HashMap Map treeMap = new TreeMap(hashMap); System.out.println("\nDisplay entries in ascending order of key"); System.out.println(treeMap); // Create a LinkedHashMap Map linkedHashMap = new LinkedHashMap(16, 0.75f, true); linkedHashMap.put("Smith", 30); linkedHashMap.put("Anderson", 31); linkedHashMap.put("Lewis", 29); linkedHashMap.put("Cook", 29); // Display the age for Lewis System.out.println("The age for " + "Lewis is " + linkedHashMap.get("Lewis").intValue()); System.out.println("\nDisplay entries in LinkedHashMap"); System.out.println(linkedHashMap); } }

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