diff --git a/src/practices/practice_21/task/task_1.java b/src/practices/practice_21/task/task_1.java
new file mode 100644
index 0000000..5ef3be9
--- /dev/null
+++ b/src/practices/practice_21/task/task_1.java
@@ -0,0 +1,32 @@
+package practices.practice_21.task;
+
+// Иерархия исключений
+class Ex1 extends Exception {}
+class Ex2 extends Ex1 {}
+class Ex3 extends Ex2 {}
+
+public class task_1 {
+
+    public static void main(String[] args) {
+
+        //Обработка нескольких исключений
+        try {
+            int[] arr = new int[3];
+            int x = arr[5];
+        } catch (ArithmeticException | ArrayIndexOutOfBoundsException e) {
+            System.out.println("Ошибка выполнения операции");
+        }
+
+        //Иерархия исключений Ex1 <|-- Ex2 <|-- Ex3
+        try {
+            throw new Ex3();
+        } catch (Ex3 e) {
+            System.out.println("Обработан Ex3");
+        } catch (Ex2 e) {
+            System.out.println("Обработан Ex2");
+        } catch (Ex1 e) {
+            System.out.println("Обработан Ex1");
+        }
+    }
+}
+