Shortest Word In A Sentence | Write a program in Java to find the shortest word in a sentence. | ISC Computer Science | ICSE Computer Application

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Algorithm

  1. Start
  2. in=""
  3. word=""
  4. shortest=""
  5. Print "Enter a sentence"
  6. Read in
  7. in=in+" "
  8. shortest=in
  9. If in.equals("")==false, go to step 10 or else go to step 15
  10. word=in.substring(0, in.indexOf(' '))
  11. If word.length()<shortest.length(), go to step 12 or else go to step 13
  12. shortest=word
  13. in=in.substring(in.indexOf(' ')+1, in.length())
  14. Go to step 9
  15. Print "The shortest word is "+shortest
  16. Stop

Program

Buffered Reader

import java.io.*;
class Shortest
{
    String in, word="", shortest="";
    
    void accept() throws IOException
    {
        BufferedReader br=new BufferedReader (new InputStreamReader (System.in));
        System.out.println("Enter a sentence");
        in=br.readLine();
        in=in+" ";
        shortest=in;
    }
    
    void shortest()
    {
        while(in.equals("")==false)
        {
            word=in.substring(0, in.indexOf(' '));
            if(word.length()<shortest.length())
            {
                shortest=word;
            }
            in=in.substring(in.indexOf(' ')+1, in.length());
        }
    }
    
    void display()
    {
        System.out.println("The shortest word is "+shortest);
    }
    
    void main() throws IOException
    {
        accept();
        shortest();
        display();
        }
}

Scanner

import java.util.*;
class Shortest
{
    String in, word="", shortest="";
    
    void accept() 
    {
        Scanner sc=new Scanner (System.in);
        System.out.println("Enter a sentence");
        in=sc.nextLine();
        in=in+" ";
        shortest=in;
    }
    
    void shortest()
    {
        while(in.equals("")==false)
        {
            word=in.substring(0, in.indexOf(' '));
            if(word.length()<shortest.length())
            {
                shortest=word;
            }
            in=in.substring(in.indexOf(' ')+1, in.length());
        }
    }
    
    void display()
    {
        System.out.println("The shortest word is "+shortest);
    }
    
    void main() 
    {
        accept();
        shortest();
        display();
        }
}

Documentation

Variable Description

Data TypeVariable NameDescription
 Stringin To store the sentence from the user 
 Stringword To store a word from the sentence 
 StringshortestTo store the shortest word of the sentence 

Method Description

 Return TypeMethod NameDescription
 voidaccept() To accept a sentence from the user 
 voidlongest() To find the longest word in a sentence 
 void display() To display the shortest word 
 voidmain() To act as an entry gateway for the compiler. 

Output



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