public static int method1(dtype param1)

Week 6: Methods of OO Programming/01B. Class StringHelper

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+Write a class StringHelper, which has the following static methods:
+int countVowels(String string), which returns the number of vowels in the given string
+int countOthers(String string), which returns the number of all other characters except vowels in the given string
+You can assume that all processed strings only contain lowercase letters.
+
+
+
+
+import java.util.Random;
+
+public class Test{
+    public static void main(String[] args){
+        final Random r = new Random();
+    
+        String[] words = ("john alphabets hellothere cheerio hi" +
+                "open aaaaeeeeiiii grrrrr").split(" ");
+        for (String word : words) {
+            System.out.println("Testing with word " + word);
+            System.out.println("Vowels: " + StringHelper.countVowels(word));
+            System.out.println("Others: " + StringHelper.countOthers(word));
+        }  
+    }
+}
+
+
+
+
+
+//ADD
+class StringHelper {
+    public StringHelper() {}
+
+    // STATIC METHOD1
+    public static int countVowels(String string) {
+        int count = 0;
+        for (int i = 0; i < string.length(); i++) {
+            if (string.charAt(i) == 'a' ||
+                string.charAt(i) == 'e' ||
+                string.charAt(i) == 'i' ||
+                string.charAt(i) == 'o' ||
+                string.charAt(i) == 'u') {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    // STATIC METHOD2
+    public static int countOthers(String string) {
+        int count = 0;
+        for (int i = 0; i < string.length(); i++) {
+            if (string.charAt(i) != 'a' &&
+                string.charAt(i) != 'e' &&
+                string.charAt(i) != 'i' &&
+                string.charAt(i) != 'o' &&
+                string.charAt(i) != 'u') {
+                count++;
+            }
+        }
+        return count;
+    }
+}
+
+
+
+
+
+Testing with word john
+Vowels: 1
+Others: 3
+Testing with word alphabets
+Vowels: 3
+Others: 6
+Testing with word hellothere
+Vowels: 4
+Others: 6
+Testing with word cheerio
+Vowels: 4
+Others: 3
+Testing with word hiopen
+Vowels: 3
+Others: 3
+Testing with word aaaaeeeeiiii
+Vowels: 12
+Others: 0
+Testing with word grrrrr
+Vowels: 0
+Others: 6
+