[Manan] ADD:Counting the total number of vowels and consonants in a given string

Author: mananguptamg

VowelsAndConsonants.java

@@ -0,0 +1,68 @@
+import java.util.Scanner;
+
+class VowelsAndConsonants {
+    // Method to calculate the length of the String
+    public static int stringLength(String s) {
+        int count = 0;
+        try {
+            while (true) {
+                s.charAt(count); // Try to access the character at index 'count'
+                count++; // Increment the counter if possible.
+            }
+        } catch (IndexOutOfBoundsException e) {
+            // Exception occurs when we go beyond the last index, so return count
+        }
+        return count;
+    }
+
+    // Method to check if a character is a vowel, consonant, or not a letter
+    public static String checkCharacterType(char ch) {
+        // Convert to lowercase if uppercase
+        if (ch >= 'A' && ch <= 'Z') {
+            ch = (char) (ch + 32);
+        }
+
+        // Check if it's a vowel
+        if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {
+            return "Vowel";
+        }
+        // Check if it's a consonant (a letter but not a vowel)
+        else if (ch >= 'a' && ch <= 'z') {
+            return "Consonant";
+        }
+        // Not a letter
+        return "Not a Letter";
+    }
+
+    // Method to count vowels and consonants in a string
+    public static int[] countVowelsAndConsonants(String text) {
+        int vowels = 0, consonants = 0;
+        int n = stringLength(text);
+
+        for (int i = 0; i < n; i++) {
+            String type = checkCharacterType(text.charAt(i));
+            if (type.equals("Vowel")) {
+                vowels++;
+            } else if (type.equals("Consonant")) {
+                consonants++;
+            }
+        }
+        return new int[]{vowels, consonants}; // Returning count in an array
+    }
+
+    // Main method
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+
+        // Define a variable of type String and take user input
+        System.out.print("Enter a string: ");
+        String userInput = input.nextLine();
+
+        // Method to count vowels and consonants
+        int[] count = countVowelsAndConsonants(userInput);
+
+        // Display the count of vowels and consonants
+        System.out.println("Number of vowels: " + count[0]);
+        System.out.println("Number of consonants: " + count[1]);
+    }
+}