diff --git a/src/practices/practice_4/task.java b/src/practices/practice_4/task.java
new file mode 100644
index 0000000..36fe5ba
--- /dev/null
+++ b/src/practices/practice_4/task.java
@@ -0,0 +1,23 @@
+package practices.practice_4;
+/**
+ * Пример использования javadoc.
+ */
+public class task {
+
+    /**
+     * Возвращает сумму двух чисел.
+     *
+     * @param a
+     * @param b
+     * @return Sum a и b
+     */
+    public int sum(int a, int b) {
+        return a + b;
+    }
+
+    public static void main(String[] args) {
+        task primer = new task();
+        int result = primer.sum(5, 7);
+        System.out.println("Сумма: " + result);
+    }
+}