Computer Applications
Define a class to enter a sentence from the keyboard and count the number of times a particular word occurs in it. Display the frequency of the search word.
E.g.
Input : Enter the sentence:
Hello, this is wow world
Enter the word:
wow
Output:
Searched word occurs 1 times.
Java
Java String Handling
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Answer
import java.util.Scanner;
public class KboatWordFrequency
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter the sentence : ");
String str = in.nextLine();
System.out.print("Enter the word : ");
String ipWord = in.nextLine();
str += " ";
String word = "";
int count = 0;
int len = str.length();
for (int i = 0; i < len; i++) {
if (str.charAt(i) == ' ') {
if (word.equalsIgnoreCase(ipWord))
count++ ;
word = "";
}
else {
word += str.charAt(i);
}
}
if (count > 0) {
System.out.println("Searched word occurs " + count + " times.");
}
else {
System.out.println("Search word is not present in sentence.");
}
}
}Output
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