From 5a62fec1a61b2bab7fef58c4015476896b17d5d9 Mon Sep 17 00:00:00 2001
From: Oleksii Tromsa <tromsaalex@gmail.com>
Date: Mon, 27 Jul 2020 16:59:43 +0300
Subject: [PATCH 1/2] add solution

---
 src/main/java/core/basesyntax/BinaryString.java | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/main/java/core/basesyntax/BinaryString.java b/src/main/java/core/basesyntax/BinaryString.java
index ebec6bf..1e2d8f2 100644
--- a/src/main/java/core/basesyntax/BinaryString.java
+++ b/src/main/java/core/basesyntax/BinaryString.java
@@ -1,12 +1,16 @@
 package core.basesyntax;
 
 public class BinaryString {
-
-    /**
-     * Напишите метод toBinaryString(), который принимает на вход целое число value,
-     * а возвращает String с представлением этого числа в двоичном виде.
-     */
     public String toBinaryString(int value) {
-        return null;
+        if (value == 0) {
+            return "0";
+        }
+
+        StringBuffer result = new StringBuffer();
+        while (value > 0) {
+            result.insert(0, value % 2);
+            value /= 2;
+        }
+        return result.toString();
     }
 }

From 958ca10fcf9ea2238505862cff1be3f76e0de02d Mon Sep 17 00:00:00 2001
From: Oleksii Tromsa <tromsaalex@gmail.com>
Date: Mon, 27 Jul 2020 18:54:45 +0300
Subject: [PATCH 2/2] change StringBuffer to StringBuilder

---
 src/main/java/core/basesyntax/BinaryString.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/core/basesyntax/BinaryString.java b/src/main/java/core/basesyntax/BinaryString.java
index 1e2d8f2..8d633ef 100644
--- a/src/main/java/core/basesyntax/BinaryString.java
+++ b/src/main/java/core/basesyntax/BinaryString.java
@@ -6,7 +6,7 @@ public String toBinaryString(int value) {
             return "0";
         }
 
-        StringBuffer result = new StringBuffer();
+        StringBuilder result = new StringBuilder();
         while (value > 0) {
             result.insert(0, value % 2);
             value /= 2;