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strings/CheckVowels.java

@@ -1,48 +1,51 @@
 package strings;
 
 /**
- * Vowel Count is a system whereby character strings are placed in order based on the
+ * Vowel Count is a system whereby character strings are placed in order based on the position of
- * position of the characters in the conventional ordering of an alphabet. Wikipedia:
+ * the characters in the conventional ordering of an alphabet. Wikipedia:
  * https://en.wikipedia.org/wiki/Alphabetical_order
  */
-class CheckVowels{
+class CheckVowels {
-    public static void main(String[] args) {
+  public static void main(String[] args) {
-        assert !hasVowels("This is a strings");
+    assert !hasVowels("This is a strings");
-        assert hasVowels("Hello World");
+    assert hasVowels("Hello World");
-        assert hasVowels("Java is fun");
+    assert hasVowels("Java is fun");
-        assert !hasVowels("123hi");
+    assert !hasVowels("123hi");
-        assert hasVowels("Coding vs Programming");
+    assert hasVowels("Coding vs Programming");
-    }
+  }
-    
+
   /**
    * Check if a string is has vowels or not
    *
    * @param input a string
    * @return {@code true} if given string has vowels, otherwise {@code false}
    */
-    public static boolean hasVowels(String input){
+  public static boolean hasVowels(String input) {
-        if(input.matches("[AEIOUaeiou]")){
+    if (input.matches("[AEIOUaeiou]")) {
-            countVowels(input);
+      countVowels(input);
-            return true;
+      return true;
-        }
-        return false;
     }
-    /**
+    return false;
-     * count the number of vowels
+  }
-     *
+  /**
-     * @param input a string
+   * count the number of vowels
-     * prints the count of vowels
+   *
-     */
+   * @param input a string prints the count of vowels
-    public static void countVowels(String input){
+   */
-        input.toLowerCase();
+  public static void countVowels(String input) {
-        int count=0;
+    input.toLowerCase();
-        int i=0;
+    int count = 0;
-        while(i<input.length()){
+    int i = 0;
-            if(input.charAt(i)=='a' || input.charAt(i)=='e'||input.charAt(i)=='i'||input.charAt(i)=='o'||input.charAt(i)=='u' ){
+    while (i < input.length()) {
-                count++;
+      if (input.charAt(i) == 'a'
-            }
+          || input.charAt(i) == 'e'
-            i++;
+          || input.charAt(i) == 'i'
-        }
+          || input.charAt(i) == 'o'
-        System.out.println(count);
+          || input.charAt(i) == 'u') {
+        count++;
+      }
+      i++;
     }
-}
+    System.out.println(count);
+  }
+}