feat(4): Finish Assignment4

src/main/java/Unit4/Assignment4.java

@@ -0,0 +1,70 @@
+package Unit4;
+
+import java.util.Scanner;
+
+public class Assignment4 {
+    public static void main(String[] args) {
+
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Type the message to be shortened");
+        String string = " " + scanner.nextLine().toLowerCase();
+        String alg1String = "";
+        String alg2String = "";
+
+        int vowelCount = 0;
+        int repeatCount = 0;
+        for (int i = 1; i < string.length(); i++) {
+            String letter = string.substring(i, i + 1);
+            String previousLetter = string.substring(i - 1, i);
+            boolean isVowel = letter.equals("a") ||
+                    letter.equals("e") ||
+                    letter.equals("i") ||
+                    letter.equals("i") ||
+                    letter.equals("o") ||
+                    letter.equals("u");
+
+            if (!previousLetter.equals(" ") && isVowel)
+                vowelCount++;
+            else if (previousLetter.equals(letter))
+                repeatCount++;
+            else
+                alg1String += letter;
+        }
+
+        int uniqueNumOfCharacters = 0;
+        for (int i = 0; i < string.length(); i++) {
+            String curLetter = string.substring(i, i + 1);
+
+            if (!curLetter.equals(" ") && alg2String.indexOf(curLetter) == -1) {
+                uniqueNumOfCharacters++;
+                int count = 0;
+                for (int j = 0; j < string.length(); j++) {
+                    String iterLetter = string.substring(j, j + 1);
+
+                    if (iterLetter.equals(curLetter))
+                        count++;
+                }
+
+                alg2String += count + curLetter;
+            }
+        }
+
+        System.out.println();
+        System.out.println("Algorithm 1");
+        System.out.println("Vowels removed: " + vowelCount);
+        System.out.println("Repeats removed: " + repeatCount);
+        System.out.println("Algorithm 1 message: " + alg1String);
+        System.out.println("Algorithm 1 characters saved: " + (vowelCount + repeatCount));
+
+        System.out.println();
+
+        System.out.println("Algorithm 2");
+        System.out.println("Unique characters found: " + uniqueNumOfCharacters);
+        System.out.println("Algorithm 2 message: " + alg2String);
+        System.out.println("Algorithm 2 characters saved: " + (string.length() - alg2String.length() - 1));
+
+        scanner.close();
+
+    }
+}