NameSorter.java Name.java import java.util.Scanner; import java.util.ArrayList; import java.util.Collections; public class NameSorter { public static void main (String [] args) { Scanner scnr = new Scanner (System.in); final int NUM_ELEMENTS = 4; Name newName; ArrayList userNames = new ArrayList (); String firstName; String lastName; Input Ethan Phegley Ethan Kreider Chris Kreider Ginny Edger int i; for (i = 0; i < NUM_ELEMENTS; ++i) { firstName - scnr.next (); lastName - scnr.next (); newName - new Name (firstName, lastName); userNames.add (newName); Output Collections.sort (userNames); for (1 - 0; i < NUM_ELEMENTS; ++1) { System.out.println (userNames.get (i));
NameSorter.java Name.java import java.util.Scanner; import java.util.ArrayList; import java.util.Collections; public class NameSorter { public static void main (String [] args) { Scanner scnr = new Scanner (System.in); final int NUM_ELEMENTS = 4; Name newName; ArrayList userNames = new ArrayList (); String firstName; String lastName; Input Ethan Phegley Ethan Kreider Chris Kreider Ginny Edger int i; for (i = 0; i < NUM_ELEMENTS; ++i) { firstName - scnr.next (); lastName - scnr.next (); newName - new Name (firstName, lastName); userNames.add (newName); Output Collections.sort (userNames); for (1 - 0; i < NUM_ELEMENTS; ++1) { System.out.println (userNames.get (i));
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
mcq
![NameSorter.java
Name.java
import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;
public class NameSorter {
public static void main (String [] args) {
Scanner scnr = new Scanner (System.in);
Input
final int NUM ELEMENTS = 4;
Ethan Phegley
Name newName;
Ethan Kreider
ArrayList<Name> userNames = new ArrayList<Name> ();
String fir
String lastName;
Name;
Chris Kreider
Ginny Edger
int i;
for (i = 0; i < NUM_ELEMENTS; ++i) {
firstName = scnr.next ();
lastName = scnr.next ();
newName = new Name (firstName, lastName);
userNames.add (newName);
Output
}
Collections.sort (userNames);
for (i = 0; i < NUM_ELEMENTS; ++i) {
System.out.printin (userNames.get (i) );
}
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a315b18-d950-4ec7-b9ec-bfebdbd60adb%2Ffab729e5-5bb1-4ae0-9cec-161af5cf34bf%2Fluwe5ql_processed.png&w=3840&q=75)
Transcribed Image Text:NameSorter.java
Name.java
import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;
public class NameSorter {
public static void main (String [] args) {
Scanner scnr = new Scanner (System.in);
Input
final int NUM ELEMENTS = 4;
Ethan Phegley
Name newName;
Ethan Kreider
ArrayList<Name> userNames = new ArrayList<Name> ();
String fir
String lastName;
Name;
Chris Kreider
Ginny Edger
int i;
for (i = 0; i < NUM_ELEMENTS; ++i) {
firstName = scnr.next ();
lastName = scnr.next ();
newName = new Name (firstName, lastName);
userNames.add (newName);
Output
}
Collections.sort (userNames);
for (i = 0; i < NUM_ELEMENTS; ++i) {
System.out.printin (userNames.get (i) );
}
}
Transcribed Image Text:NameSorter.java
Name.java
public class Name implements Comparable<Name> {
private String firstName;
private String lastName;
Name (String firstName, String lastName) {
Input
this.firstName = firstName;
this.lastName = lastName;
Ethan Phegley
Ethan Kreider
Coverride
public int compareTo (Name otherName) {
int comparisonVal;
Chris Kreider
Ginny Edger
comparisonVal = lastName.compareTo (otherName.lastName);
if (comparisonVal != 0) {
return comparisonVal;
}
else {
return firstName.compareTo (otherName.firstName);
Output
@Override
public String tostring () {
return lastName +
firstName;
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