Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
How do you do this? Java
Transcribed Image Text:smallestSection
Write a method smallestSection that accepts a map of student names (strings) to section names
(strings) as a parameter, and returns the name of the section with the smallest number of students.
Consider, for example, a variable called map that contains the following elements:
{ying-AC, will=AA, natalie=AA}
A call to your method should return the following string:
AC
If there are no students in the passed in map then your method should return null. If two sections
have the smallest number of students return the name of the one that comes first alphabetically.
You may assume that the map passed is not null and that none of its elements are null or empty
strings.
For full credit, obey the following restrictions in your solution. A solution that disobeys them can get
partial credit.
• You may create only up to one (1) new data structure of your choice (list, stack, queue, set,
map, etc.) as auxiliary storage. (You can have as many simple variables as you like.)
• You may not call any Collections methods.
• You should not modify the contents of the map passed to your method.
![1 import java.util.*;
2
3 public class SmallestSection {
4
public static String smallestSection (Map<String, String> sections) {
5
6
7
8
9
10
11
12 }
13}
public static void main(String[] args) {
Map<String, String> sections = new HashMap<String, String>();
sections.put("ying", "AC");
sections.put("will", "AA");
sections.put("natalie", "AA");
System.out.println(smallestSection(sections));](https://content.bartleby.com/qna-images/question/13b99b83-b236-48b9-b053-48e3ee2a9fbe/b7c4726c-5bbd-460c-859b-61fcd87ac836/2fjjtwp_processed.png)
Transcribed Image Text:1 import java.util.*;
2
3 public class SmallestSection {
4
public static String smallestSection (Map<String, String> sections) {
5
6
7
8
9
10
11
12 }
13}
public static void main(String[] args) {
Map<String, String> sections = new HashMap<String, String>();
sections.put("ying", "AC");
sections.put("will", "AA");
sections.put("natalie", "AA");
System.out.println(smallestSection(sections));
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