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Question

Write a program to accept a sentence as input. The words in the string are to be separated by a blank. Each word must be in uppercase. The sentence is terminated by either ‘.’, ‘!’ or ‘?’. Perform the following tasks:

Obtain the length of the sentence (measured in words).
Arrange the sentence in alphabetical order of the words.
Test your program with the sample data and some random data.

 

				
					Example 1:
INPUT:
NECESSITY IS THE MOTHER OF INVENTION.
OUTPUT:
LENGTH: 6
REARRANGED SENTENCE:
INVENTION IS MOTHER NECESSITY OF THE

Example 2:
INPUT:
BE GOOD TO OTHERS.
OUTPUT:
LENGTH: 4
REARRANGED SENTENCE:
BE GOOD OTHERS TO
				
			

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Code

				
					
import java.util.Scanner;
import java.util.StringTokenizer;
public class ArrangeAlphabetically
{
    public static void main(String args[])
    {
        int i=0,j=0,count=0,len=0;
        String sen="",temp="",newsen="";
        String wd[];
        char last=' ';
        
        Scanner sc=new Scanner(System.in);
        System.out.print("Sentence: ");
        sen =sc.nextLine();
        sen = sen.trim();
        last = sen.charAt(sen.length() - 1);
        if(last != '.' && last != '?' && last != '!')
        {
            System.out.println("INVALID SENTENCE!");
            return;
        }
        sen = sen.toUpperCase();
        StringTokenizer st = new StringTokenizer(sen, " .?!,");
        len = st.countTokens();
        System.out.println("LENGTH: " + len);
        wd = new String[len];
        for(i = 0; i < len; i++)
        {
            wd[i] = st.nextToken();
        }
        for(i = 0; i < len; i++)
        {
            for(j = 0; j < len - 1 - i; j++)
            {
                if(wd[j].compareTo(wd[j + 1]) > 0)
                {
                    temp = wd[j];
                    wd[j] = wd[j + 1];
                    wd[j + 1] = temp;
                }
            }
        }
        
        for(i = 0; i < len; i++)
        {
            newsen += wd[i] + " ";
        }
        System.out.println("REARRANGED SENTENCE:" + newsen);
    }
}    

				
			

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