"findmostfrequentlyoccurringletter" - 1 õppematerjal

Tarkvara kvaliteet ja standardid projekt

char c = plainText.charAt(x); if (Character.isLetter(c)) if (c + rotation >= 97) c = (char) (97 + (c + rotation - 97) % 26);  else c = (char) (c + (rotation % 26)); encrypted += c; } return encrypted; } /** * Finds the most frequently occurring letter in text. * @param text either plain or encrypted text. * @return the most frequently occurring letter in text. */ public static String findMostFrequentlyOccurringLetter(String text) { if (text == null) return null; if (text.isEmpty()) return text; String max = ""; int count = 0; int max_nr = 0; text = text.toLowerCase(); for (int x = 0; x < text.length(); x++) { char c = text.charAt(x); count += 1; for (int y = x + 1; y < text.length(); y++) { char ch = text.charAt(y); if (c == ch) count++; } if (count == max_nr) {