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package strings ;
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/**
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- * Vowel Count is a system whereby character strings are placed in order based on the
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- * position of the characters in the conventional ordering of an alphabet. Wikipedia:
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+ * Vowel Count is a system whereby character strings are placed in order based on the position of
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+ * the characters in the conventional ordering of an alphabet. Wikipedia:
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* https://en.wikipedia.org/wiki/Alphabetical_order
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*/
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- class CheckVowels {
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- public static void main (String [] args ) {
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- assert !hasVowels ("This is a strings" );
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- assert hasVowels ("Hello World" );
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- assert hasVowels ("Java is fun" );
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- assert !hasVowels ("123hi" );
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- assert hasVowels ("Coding vs Programming" );
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- }
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-
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+ class CheckVowels {
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+ public static void main (String [] args ) {
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+ assert !hasVowels ("This is a strings" );
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+ assert hasVowels ("Hello World" );
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+ assert hasVowels ("Java is fun" );
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+ assert !hasVowels ("123hi" );
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+ assert hasVowels ("Coding vs Programming" );
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+ }
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+
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/**
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* Check if a string is has vowels or not
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*
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* @param input a string
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* @return {@code true} if given string has vowels, otherwise {@code false}
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*/
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- public static boolean hasVowels (String input ){
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- if (input .matches ("[AEIOUaeiou]" )){
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- countVowels (input );
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- return true ;
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- }
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- return false ;
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+ public static boolean hasVowels (String input ) {
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+ if (input .matches ("[AEIOUaeiou]" )) {
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+ countVowels (input );
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+ return true ;
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}
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- /**
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- * count the number of vowels
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- *
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- * @param input a string
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- * prints the count of vowels
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- */
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- public static void countVowels (String input ){
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- input .toLowerCase ();
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- int count =0 ;
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- int i =0 ;
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- while (i <input .length ()){
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- if (input .charAt (i )=='a' || input .charAt (i )=='e' ||input .charAt (i )=='i' ||input .charAt (i )=='o' ||input .charAt (i )=='u' ){
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- count ++;
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- }
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- i ++;
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- }
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- System .out .println (count );
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+ return false ;
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+ }
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+ /**
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+ * count the number of vowels
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+ *
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+ * @param input a string prints the count of vowels
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+ */
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+ public static void countVowels (String input ) {
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+ input .toLowerCase ();
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+ int count = 0 ;
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+ int i = 0 ;
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+ while (i < input .length ()) {
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+ if (input .charAt (i ) == 'a'
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+ || input .charAt (i ) == 'e'
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+ || input .charAt (i ) == 'i'
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+ || input .charAt (i ) == 'o'
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+ || input .charAt (i ) == 'u' ) {
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+ count ++;
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+ }
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+ i ++;
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}
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- }
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+ System .out .println (count );
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+ }
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+ }
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