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GeezerVison is showing github.com — Java/strings/Pangram.java at master · ppdouble/Java Expand file tree/ Copy pathPangram.javaMore file actions 35 lines (31 loc) · 1010 Bytes / Copy pathPangram.javaFile metadata and controls35 lines (31 loc) · 1010 Bytes 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 package strings; /** Wikipedia: https://en.wikipedia.org/wiki/Pangram */ public class Pangram { /** Driver Code */ public static void main(String[] args) { assert isPangram("The quick brown fox jumps over the lazy dog"); assert !isPangram("The quick brown fox jumps over the azy dog"); /* not exists l character */ } /** * Check if a string is a pangram string or not * * @param s string to check * @return {@code true} if given string is pangram, otherwise {@code false} */ public static boolean isPangram(String s) { boolean[] marked = new boolean[26]; /* by default all letters don't exists */ char[] values = s.toCharArray(); for (char value : values) { if (Character.isLetter(value)) { int index = Character.isUpperCase(value) ? value - 'A' : value - 'a'; marked[index] = true; /* mark current character exists */ } } for (boolean b : marked) { if (!b) { return false; } } return true; } } |
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