package chegg; import java.util.ArrayList; import java.util.List; import java.util.ListIterator; import java.util.Scanner; import java.util.Set; import java.util.TreeMap; public class Vowles { public static void main(String args[]) { /* creating instance variable of List */ List letters = new ArrayList(); /* vowels instance variable for holding vowels */ List vowels = new ArrayList(); /* creating HashMap for storing vowels and count */ TreeMap map = new TreeMap(); /* Inserting vowels into treemap */ map.put(\"a\", 0); map.put(\"e\", 0); map.put(\"i\", 0); map.put(\"o\", 0); map.put(\"u\", 0); /* * creating instance variable of Scanner class for taking input from * console */ Scanner scanner = new Scanner(System.in); /* * prompt for user input */ System.out.println(\"Please enter the letters with comma seperated\"); String input = scanner.nextLine(); /* closing scanner object */ scanner.close(); String[] letter = input.split(\",\"); /* Inserting letters into List */ for (String values : letter) { letters.add(values); } /* ListIterator for iterating list */ ListIterator itr = letters.listIterator(); while (itr.hasNext()) { String val = itr.next(); /* checking if value is any vowels */ if (val.equals(\"a\") || val.equals(\"e\") || val.equals(\"i\") || val.equals(\"o\") || val.equals(\"u\")) { /* If vowels already exist in tree map */ if (map.containsKey(val)) { Integer value = map.get(val); map.put(val, ++value); vowels.add(val); } else { map.put(val, 1); vowels.add(val); } } } /* Removing all element from letters list */ letters.removeAll(letters); /* Getting size of vowels */ int listSize = vowels.size(); System.out.println(\"There are \" + listSize + \" vowels in the list:\"); /* Iterating treeMap */ Set keys = map.keySet(); for (String key : keys) { System.out.print(key + \"- \" + map.get(key) + \" \"); } } } /***************output******************/ Please enter the letters with comma seperated a,f,v,q,e,a,o,g,y,h,e,q,u There are 6 vowels in the list: a- 2 e- 2 i- 0 o- 1 u- 1 please rate the answer as best answer. Thanks Solution package chegg; import java.util.ArrayList; import java.util.List; import java.util.ListIterator; import java.util.Scanner; import java.util.Set; import java.util.TreeMap; public class Vowles { public static void main(String args[]) { /* creating instance variable of List */ List letters = new ArrayList(); /* vowels instance variable for holding vowels */ List vowels = new ArrayList(); /* creating HashMap for storing vowels and count */ TreeMap map = new TreeMap(); /* Inserting vowels into treemap */ map.put(\"a\", 0); map.put(\"e\", 0); map.put(\"i\", 0); map.put(\"o\", 0); map.put(\"u\", 0); /* * creating instance variable of Scanner class for taking input from * console */ Scanner scanner = new Scanner(System.in); /* * prompt for user input */ System.out.println(\"Please enter the letters with comma seperated\"); String input = scanner.nextLine(); /* closing scanner object */ scanner.close(); String[] letter = in.

1. package chegg;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeMap;
public class Vowles {
public static void main(String args[]) {
/* creating instance variable of List */
List letters = new ArrayList();
/* vowels instance variable for holding vowels */
List vowels = new ArrayList();
/* creating HashMap for storing vowels and count */
TreeMap map = new TreeMap();
/* Inserting vowels into treemap */
map.put("a", 0);
map.put("e", 0);
map.put("i", 0);
map.put("o", 0);
map.put("u", 0);
/*
* creating instance variable of Scanner class for taking input from
* console
*/
Scanner scanner = new Scanner(System.in);
/*
* prompt for user input
*/
System.out.println("Please enter the letters with comma seperated");
String input = scanner.nextLine();
/* closing scanner object */
scanner.close();
String[] letter = input.split(",");
/* Inserting letters into List */

2. for (String values : letter) {
letters.add(values);
}
/* ListIterator for iterating list */
ListIterator itr = letters.listIterator();
while (itr.hasNext()) {
String val = itr.next();
/* checking if value is any vowels */
if (val.equals("a") || val.equals("e") || val.equals("i") || val.equals("o") ||
val.equals("u")) {
/* If vowels already exist in tree map */
if (map.containsKey(val)) {
Integer value = map.get(val);
map.put(val, ++value);
vowels.add(val);
} else {
map.put(val, 1);
vowels.add(val);
}
}
}
/* Removing all element from letters list */
letters.removeAll(letters);
/* Getting size of vowels */
int listSize = vowels.size();
System.out.println("There are " + listSize + " vowels in the list:");
/* Iterating treeMap */
Set keys = map.keySet();
for (String key : keys) {
System.out.print(key + "- " + map.get(key) + " ");
}
}
}
/***************output******************/
Please enter the letters with comma seperated

3. a,f,v,q,e,a,o,g,y,h,e,q,u
There are 6 vowels in the list:
a- 2 e- 2 i- 0 o- 1 u- 1
please rate the answer as best answer.
Thanks
Solution
package chegg;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeMap;
public class Vowles {
public static void main(String args[]) {
/* creating instance variable of List */
List letters = new ArrayList();
/* vowels instance variable for holding vowels */
List vowels = new ArrayList();
/* creating HashMap for storing vowels and count */
TreeMap map = new TreeMap();
/* Inserting vowels into treemap */
map.put("a", 0);
map.put("e", 0);
map.put("i", 0);
map.put("o", 0);
map.put("u", 0);
/*
* creating instance variable of Scanner class for taking input from
* console
*/
Scanner scanner = new Scanner(System.in);
/*
* prompt for user input

4. */
System.out.println("Please enter the letters with comma seperated");
String input = scanner.nextLine();
/* closing scanner object */
scanner.close();
String[] letter = input.split(",");
/* Inserting letters into List */
for (String values : letter) {
letters.add(values);
}
/* ListIterator for iterating list */
ListIterator itr = letters.listIterator();
while (itr.hasNext()) {
String val = itr.next();
/* checking if value is any vowels */
if (val.equals("a") || val.equals("e") || val.equals("i") || val.equals("o") ||
val.equals("u")) {
/* If vowels already exist in tree map */
if (map.containsKey(val)) {
Integer value = map.get(val);
map.put(val, ++value);
vowels.add(val);
} else {
map.put(val, 1);
vowels.add(val);
}
}
}
/* Removing all element from letters list */
letters.removeAll(letters);
/* Getting size of vowels */
int listSize = vowels.size();
System.out.println("There are " + listSize + " vowels in the list:");
/* Iterating treeMap */
Set keys = map.keySet();
for (String key : keys) {

5. System.out.print(key + "- " + map.get(key) + " ");
}
}
}
/***************output******************/
Please enter the letters with comma seperated
a,f,v,q,e,a,o,g,y,h,e,q,u
There are 6 vowels in the list:
a- 2 e- 2 i- 0 o- 1 u- 1
please rate the answer as best answer.
Thanks