Frequency of characters in text

Asked Mar 07 '18 at 12:04

Active Mar 07 '18 at 12:37

Viewed 54 times

A method to return the frequencies of repeated characters

The answer is always the number of all characters in text, not repeated characters! Can I know how to edit it?

public static int freq(String in ) {

  int frequency = 0;
  char[] alphabet = "abcdefghijklmnopqrstuvwxyz".toCharArray();
  for (int j = 0; j < 25; j++) {

    for (int i = 0; i < in .length(); i++) {
      if (alphabet[j] == in .charAt(i)) {
        ++frequency;
      }
    }
  }

  return frequency;

}

edited Mar 07 '18 at 12:37

Serge Ballesta

143,923
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asked Mar 07 '18 at 12:04

Y.esk

You should give an example input, and the obtained and expected result. – Serge Ballesta Mar 07 '18 at 12:39
@SergeBallesta if input from user is: Hello, then the output is 5 instead of 2 (Repeated "L") – Y.esk Mar 07 '18 at 12:43
And what should be the output for `Hello you so old`? 2 for the `ll`, 3 for 3 total `l` or 4 for 4 total `o` ? – Serge Ballesta Mar 07 '18 at 12:48
@SergeBallesta it should give all repeated characters – Y.esk Mar 07 '18 at 12:49
*all repeated characters* is not an int value ;-). What value would you expect and why? – Serge Ballesta Mar 07 '18 at 12:52

Frequency of characters in text

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