Implement password strength visualizer

Author: msrihanreddy5-code

Password Strength Visualizer.java

@@ -0,0 +1,33 @@
+import java.util.Scanner;
+
+public class PasswordStrengthVisualizer {
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.print("Enter password: ");
+        String pwd = sc.nextLine();
+
+        int score = 0;
+
+        if (pwd.length() >= 8) score++;
+        if (pwd.matches(".*[A-Z].*")) score++;
+        if (pwd.matches(".*[a-z].*")) score++;
+        if (pwd.matches(".*[0-9].*")) score++;
+        if (pwd.matches(".*[@#$%!^&*].*")) score++;
+
+        System.out.print("Strength: [");
+        for (int i = 0; i < score; i++) System.out.print("█");
+        for (int i = score; i < 5; i++) System.out.print("-");
+        System.out.print("] ");
+
+        switch (score) {
+            case 5 -> System.out.println("Very Strong 🔐");
+            case 4 -> System.out.println("Strong");
+            case 3 -> System.out.println("Medium");
+            default -> System.out.println("Weak ⚠️");
+        }
+
+        sc.close();
+    }
+}