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Write a program in Java to enter a String/Sentence and display the longest word and the length of the longest word present in the String.
Sample Input: “TATA FOOTBALL ACADEMY WILL PLAY AGAINST MOHAN BAGAN”
Sample Output: The longest word: FOOTBALL: The length of the word: 8

Java

Java String Handling

ICSE 2009

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Answer

import java.util.Scanner;

public class KboatLongestWord
{
    public static void main(String args[]) {
       Scanner in = new Scanner(System.in);
       System.out.println("Enter a word or sentence:");
       String str = in.nextLine();
       
       str += " "; //Add space at end of string
       String word = "", lWord = "";
       int len = str.length();
       
       for (int i = 0; i < len; i++) {
           char ch = str.charAt(i);
           if (ch == ' ') {
               
                if (word.length() > lWord.length())
                    lWord = word;
                    
                word = "";
           }
           else {
               word += ch;
           }
       }
       
       System.out.println("The longest word: " + lWord +
        ": The length of the word: " + lWord.length());
    }
    
}

Variable Description Table

Program Explanation

Output

BlueJ output of Write a program in Java to enter a String/Sentence and display the longest word and the length of the longest word present in the String. Sample Input: “TATA FOOTBALL ACADEMY WILL PLAY AGAINST MOHAN BAGAN” Sample Output: The longest word: FOOTBALL: The length of the word: 8

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