Program
package com.candidjava; import java.io.IOException; public class FindTtalCountWords { public static void main(String args[]) throws IOException { countWords("apple banna apple fruit fruit apple hello hi hi hello hi"); } static void countWords(String st) { // split text to array of words String[] words = st.split("\\s"); // frequency array int[] fr = new int[words.length]; // init frequency array for (int i = 0; i < fr.length; i++) fr[i] = 0; // count words frequency for (int i = 0; i < words.length; i++) { for (int j = 0; j < words.length; j++) { if (words[i].equals(words[j])) { fr[i]++; } } } // clean duplicates for (int i = 0; i < words.length; i++) { for (int j = 0; j < words.length; j++) { if (words[i].equals(words[j])) { if (i != j) { words[i] = ""; } } } } // show the output int total = 0; System.out.println("Words and words count:"); for (int i = 0; i < words.length; i++) { if (words[i] != "") { System.out.println(words[i] + "=" + fr[i]); total += fr[i]; } } System.out.println("Total words counted: " + total); } }
Output
Words and words count:
banna=1
fruit=2
apple=3
hello=2
hi=3
Total words counted: 11