From 82c1041eee1fa85cd42b604bab552c74e624832c Mon Sep 17 00:00:00 2001
From: vladd <vladdyachkin11@gmail.com>
Date: Wed, 29 Jul 2020 13:50:33 +0300
Subject: [PATCH] added solution

---
 src/main/java/core/basesyntax/SqrtOperation.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/core/basesyntax/SqrtOperation.java b/src/main/java/core/basesyntax/SqrtOperation.java
index b70cd5d..7850a42 100644
--- a/src/main/java/core/basesyntax/SqrtOperation.java
+++ b/src/main/java/core/basesyntax/SqrtOperation.java
@@ -8,6 +8,9 @@
  */
 public class SqrtOperation {
     public double sqrt(double number) {
-        return 0.0;
+        if (number < 0) {
+            throw new IllegalArgumentException("Expected non-negative number, got " + number);
+        }
+        return Math.sqrt(number);
     }
 }