Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 21.2, Problem 21.2.3CP
Program Plan Intro
Set:
Set is a data structure that is used for storing and processing non duplicate elements. It is an interface which extends collection and it is an unordered collection of objects.
Set is implemented by LinkedSet, HashSet or a TreeSet.
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What distinguishes Java Hashmap from other hashmaps?
Because of the way the map was constructed, all of the information that constitutes our hash map is stored in a single container that goes by the name of LinkedList. The usefulness of a hash map is diminished as a result of this.
The values have been placed in a single pool, resulting in a hash map that was constructed carelessly (they are all in the same LinkedList). Explain why this is inefficient in comparison to using a hash map.
Chapter 21 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
Ch. 21.2 - Prob. 21.2.1CPCh. 21.2 - Prob. 21.2.2CPCh. 21.2 - Prob. 21.2.3CPCh. 21.2 - Prob. 21.2.4CPCh. 21.2 - Prob. 21.2.5CPCh. 21.2 - Suppose set1 is a set that contains the strings...Ch. 21.2 - Prob. 21.2.7CPCh. 21.2 - Prob. 21.2.8CPCh. 21.2 - What will the output be if lines 67 in Listing...Ch. 21.2 - Prob. 21.2.10CP
Ch. 21.3 - Prob. 21.3.1CPCh. 21.3 - Suppose you need to write a program that stores...Ch. 21.3 - Suppose you need to write a program that stores...Ch. 21.3 - Suppose you need to write a program that stores a...Ch. 21.3 - Prob. 21.3.5CPCh. 21.3 - Prob. 21.3.6CPCh. 21.4 - Prob. 21.4.1CPCh. 21.4 - Prob. 21.4.2CPCh. 21.5 - Prob. 21.5.1CPCh. 21.5 - Prob. 21.5.2CPCh. 21.5 - Prob. 21.5.3CPCh. 21.6 - Prob. 21.6.1CPCh. 21.6 - Prob. 21.6.2CPCh. 21.6 - Prob. 21.6.3CPCh. 21.6 - Prob. 21.6.4CPCh. 21.7 - Prob. 21.7.1CPCh. 21.7 - Prob. 21.7.2CPCh. 21 - Prob. 21.1PECh. 21 - (Display nonduplicate words in ascending order)...Ch. 21 - Prob. 21.3PECh. 21 - (Count consonants and vowels) Write a program that...Ch. 21 - Prob. 21.6PECh. 21 - (Revise Listing 21.9, CountOccurrenceOfWords.java)...Ch. 21 - Prob. 21.8PECh. 21 - Prob. 21.9PE
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- A poorly designed hash map has resulted in all values being lumped together (that is, they are all in the same LinkedList). In your own words, please elaborate on how this defeats the purpose of a hash map.arrow_forwardAll of the information is stored in a single container that is referred to as a LinkedList. This is because of the way in which our hash map was built. This results in a reduction in the usefulness of a hash map.arrow_forwardDifference between Cache and HashMap.arrow_forward
- Because of how our hash map was constructed, all of the data is held in a single container known as a LinkedList. The value of a hash map is thereby diminished.arrow_forwardWhat are the advantages and disadvantages of using a HashMap compared to a TreeMap?arrow_forwardSince our hashmap was poorly constructed, all of the information is stored in a single container (a LinkedList). Why does this make hash maps less useful?arrow_forward
- Our hashmap was poorly constructed, thus all of the information is stored in a single container (a LinkedList). This defeats the purpose of using a hash map in the first place.arrow_forwardA poorly designed hash map has resulted in all values being lumped together (that is, they are all in the same LinkedList). Justify how this goes against the point of using a hash map.arrow_forwardDefine the difference between hashmap and hashtable.arrow_forward
- We use LinkedLists to store all of our hash map data due to the sloppy manner in which the map was originally constructed. This substantially reduces the efficacy of a hash map.arrow_forwardwhat are the differences between a HashMap and LinkedHashMap?arrow_forwardAll the values are stored in the same place, which is a major drawback of the hashmap we're using (that is, they are all in the same LinkedList). The hash map's intended purpose has been met.arrow_forward
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