( Display words in ascending alphabetical order ) Write a program that reads words from a text file and displays all the words (duplicates allowed) in ascending alphabetical order. The words must start with a letter. The text file is passed as a command-line argument.

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Answer 1

Textbook Question

Chapter 20, Problem 20.1PE

(Display words in ascending alphabetical order) Write a program that reads words from a text file and displays all the words (duplicates allowed) in ascending alphabetical order. The words must start with a letter. The text file is passed as a command-line argument.

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

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Answer 2

Textbook Question

Chapter 20, Problem 20.1PE

(Display words in ascending alphabetical order) Write a program that reads words from a text file and displays all the words (duplicates allowed) in ascending alphabetical order. The words must start with a letter. The text file is passed as a command-line argument.

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 20, Problem 20.1PE

(Display words in ascending alphabetical order) Write a program that reads words from a text file and displays all the words (duplicates allowed) in ascending alphabetical order. The words must start with a letter. The text file is passed as a command-line argument.

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 20, Problem 20.1PE

(Display words in ascending alphabetical order) Write a program that reads words from a text file and displays all the words (duplicates allowed) in ascending alphabetical order. The words must start with a letter. The text file is passed as a command-line argument.

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Answer 8

Expert Solution & Answer

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Program Plan Intro

Display words in ascending alphabetical order

Program plan:

Import the required packages into the program.
In the main() method,
- Check whether the argument length is not equal to 1. If yes,
  - Display the error message.
- Assign the argument 0 as filename.
- Create a list to hold the words.
- In try block,
  - Check the matches between the word from file and alphabets.
  - Call the add() method to add the word into list.
- Catch the exception if error occurs.
- Call sort() method to sort the list in ascending order.
- Display the ascending order word.

Answer 12

Program Description Answer

The below program demonstrates to sort the word in ascending order from the file and display that list.

Answer 13

Explanation of Solution

Program:

//Import the java packages

import java.util.*;

import java.io.*;

//Class definition

public class Exercise20_01

{

//Main method

public static void main(String[] args)

{

/*Check whether the argument length is not equal to 1 */

if (args.length != 1) {

//Display the error message

System.out.println("Usage: java Exercise20_01 fullfilename");

System.exit(1);

}

//Assign the argument 0 as filename

String filename = args[0];

// Create a list to hold the words

List<String> list = new ArrayList<>();

//In try block

try {

//Create an object for Scanner class

Scanner in = new Scanner(new File(filename));

//Loop executes until the input from file

while (in.hasNext()) {

//Declare and assign the string //variable

String word = in.next();

//Check matches among the word from //file

if (word.matches("[a-z|A-Z].*"))

/*Call add() method to add the word into list */

list.add(word);

}

//Catch the exception

catch (Exception ex) {

//Display the error message

System.err.println(ex);

}

/*Call sort() method to sort the list in ascending order */

Collections.sort(list);

// Display the result

System.out.println("Display words in ascending order ");

//Loop executes until the list

for (String word : list) {

//Display the ascending order word

System.out.println(word);

}

Answer 14

Sample Output

Input file:

Screenshot of Test.txt file

MyLab Programming with Pearson eText -- Access Card -- for Introduction to Java Programming and Data Structures, Comprehensive Version, Chapter 20, Problem 20.1PE

Command to run the program:

java Exercise20_01 Test.txt

Display words in ascending order

hello

hi

jhon

mercy

welcome