11package strings ;
22
33/**
4- * Vowel Count is a system whereby character strings are placed in order based on the
5- * position of the characters in the conventional ordering of an alphabet. Wikipedia:
4+ * Vowel Count is a system whereby character strings are placed in order based on the position of
5+ * the characters in the conventional ordering of an alphabet. Wikipedia:
66 * https://en.wikipedia.org/wiki/Alphabetical_order
77 */
8- class CheckVowels {
9- public static void main (String [] args ) {
10- assert !hasVowels ("This is a strings" );
11- assert hasVowels ("Hello World" );
12- assert hasVowels ("Java is fun" );
13- assert !hasVowels ("123hi" );
14- assert hasVowels ("Coding vs Programming" );
15- }
16-
8+ class CheckVowels {
9+ public static void main (String [] args ) {
10+ assert !hasVowels ("This is a strings" );
11+ assert hasVowels ("Hello World" );
12+ assert hasVowels ("Java is fun" );
13+ assert !hasVowels ("123hi" );
14+ assert hasVowels ("Coding vs Programming" );
15+ }
16+ 1717 /**
1818 * Check if a string is has vowels or not
1919 *
2020 * @param input a string
2121 * @return {@code true} if given string has vowels, otherwise {@code false}
2222 */
23- public static boolean hasVowels (String input ){
24- if (input .matches ("[AEIOUaeiou]" )){
25- countVowels (input );
26- return true ;
27- }
28- return false ;
23+ public static boolean hasVowels (String input ) {
24+ if (input .matches ("[AEIOUaeiou]" )) {
25+ countVowels (input );
26+ return true ;
2927 }
30- /**
31- * count the number of vowels
32- *
33- * @param input a string
34- * prints the count of vowels
35- */
36- public static void countVowels (String input ){
37- input .toLowerCase ();
38- int count =0 ;
39- int i =0 ;
40- while (i <input .length ()){
41- if (input .charAt (i )=='a' || input .charAt (i )=='e' ||input .charAt (i )=='i' ||input .charAt (i )=='o' ||input .charAt (i )=='u' ){
42- count ++;
43- }
44- i ++;
45- }
46- System .out .println (count );
28+ return false ;
29+ }
30+ /**
31+ * count the number of vowels
32+ *
33+ * @param input a string prints the count of vowels
34+ */
35+ public static void countVowels (String input ) {
36+ input .toLowerCase ();
37+ int count = 0 ;
38+ int i = 0 ;
39+ while (i < input .length ()) {
40+ if (input .charAt (i ) == 'a'
41+ || input .charAt (i ) == 'e'
42+ || input .charAt (i ) == 'i'
43+ || input .charAt (i ) == 'o'
44+ || input .charAt (i ) == 'u' ) {
45+ count ++;
46+ }
47+ i ++;
4748 }
48- }
49+ System .out .println (count );
50+ }
51+ }
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