Question

Write a java program that reads a file (names as textfile) uploaded with assignment and displays the words of that file as a list. Then display the words in reverse order. Then display them with all plurals (ending in "s") capitalized. Then display them with all plural words removed.

Answer 1

*******************************************Java Program***********************************

import java.io.File;

import java.util.ArrayList;

import java.util.Scanner;

public class StringFormat {

public static void main(String[] args) throws Exception{

// for getting input from text file

Scanner sc =new Scanner(new File("textfile.txt"));

ArrayList<String> words= new ArrayList<>();

//checking input for next string

while(sc.hasNext())

{

String str=sc.next();

words.add(str);

}

//printing words

System.out.println("Printing words :");

for(String word: words) {

System.out.println(word); //printing list of words

}

//words in reverse order

System.out.println("Words in reverse order :");

for(int i=words.size()-1;i>=0;i--){

System.out.println(words.get(i));

}

//getting plurals

System.out.println("Plural words :");

for(String word: words) {

if(word.charAt(word.length()-1)=='s') {

System.out.println(word);

}

}

//removing plural

System.out.println("Without plural : ");

for(String word: words) {

if(word.charAt(word.length()-1)!='s') {

System.out.println(word);

}

}

}

}

*************************************************Output***********************************

Printing words :
Reader
Player
Antivirus
Robotics
Games
Mobile
Words in reverse order :
Mobile
Games
Robotics
Antivirus
Player
Reader
Plural words :
Antivirus
Robotics
Games
Without plural :
Reader
Player
Mobile

****************************************************************

My text file is:

Reader Player Antivirus Robotics Games Mobile