Add exams from exam156 to exam199

exam193/index.php

@@ -0,0 +1,22 @@
+<?php
+
+class BankAcount
+{
+    //ako stavimo protected ili private moci cemo da prikazemo promenljivu balance preko metoda.
+    private $balance = 20;
+
+    //ako stavimo protected ili private ne mozemo da pozovemo method DisplayBalance();
+    public function DisplayBalance()
+    {
+        return $this->balance;
+
+    }
+}
+
+$alex = new BankAcount;
+
+echo $alex->DisplayBalance();
+
+
+
+?>