Question

1. IN JAVA: Write code (using ArrayLists) to read a line of input from the user and print the words of that line in sorted order, without removing duplicates. For example, the program output might look like the following:
   Type a message to sort: to be or not to be that is the question
   Your message sorted: be be is not or question that the to to

Answer 1

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;
public class ArrayListDemo
{
public static void main(String[] args)
{
   Scanner input=new Scanner(System.in);
   //declare ArrayList
   ArrayList<String> inputWords=new ArrayList<String>();
   System.out.println("Enter line: ");
   String line=input.nextLine();
   //split the line
   String[] words=line.split(" ");
   for(String word:words)
   inputWords.add(word);
   //sort the words
   Collections.sort(inputWords);
   //print the sorted words
   for(String w:inputWords)
   System.out.print(w+" ");
}
}

Output