From c9a57d6afac77b65152c1b7b32c0fa85317802ac Mon Sep 17 00:00:00 2001
From: "d.kapustin" <onewaykd@gmail.com>
Date: Wed, 27 Sep 2023 16:08:23 +0300
Subject: [PATCH] =?UTF-8?q?6.4.0.=20=D0=A1=D0=BB=D0=BE=D0=B2=D0=BE=20?=
 =?UTF-8?q?=D0=BD=D0=B0=D1=87=D0=B8=D0=BD=D0=B0=D0=B5=D1=82=D1=81=D1=8F=20?=
 =?UTF-8?q?=D1=81=20...;=20https://job4j.ru/profile/exercise/2/task-view/9?=
 =?UTF-8?q?9?=
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---
 src/main/java/ru/j4j/array/ArrayChar.java     | 12 ++++++++++
 src/test/java/ru/j4j/array/ArrayCharTest.java | 23 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 src/main/java/ru/j4j/array/ArrayChar.java
 create mode 100644 src/test/java/ru/j4j/array/ArrayCharTest.java

diff --git a/src/main/java/ru/j4j/array/ArrayChar.java b/src/main/java/ru/j4j/array/ArrayChar.java
new file mode 100644
index 0000000..1b80e74
--- /dev/null
+++ b/src/main/java/ru/j4j/array/ArrayChar.java
@@ -0,0 +1,12 @@
+package ru.j4j.array;
+
+public class ArrayChar {
+    public static boolean startsWith(char[] word, char[] pref) {
+        for (int i = 0; i < pref.length; i++) {
+            if (word[i] != pref[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+}
diff --git a/src/test/java/ru/j4j/array/ArrayCharTest.java b/src/test/java/ru/j4j/array/ArrayCharTest.java
new file mode 100644
index 0000000..21aa6fe
--- /dev/null
+++ b/src/test/java/ru/j4j/array/ArrayCharTest.java
@@ -0,0 +1,23 @@
+package ru.j4j.array;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+public class ArrayCharTest {
+    @Test
+    public void whenStartWithPrefixThenTrue() {
+        char[] word = {'H', 'e', 'l', 'l', 'o'};
+        char[] pref = {'H', 'e'};
+        boolean result = ArrayChar.startsWith(word, pref);
+        assertThat(result).isTrue();
+    }
+
+    @Test
+    public void whenNotStartWithPrefixThenFalse() {
+        char[] word = {'H', 'e', 'l', 'l', 'o'};
+        char[] pref = {'H', 'i'};
+        boolean result = ArrayChar.startsWith(word, pref);
+        assertThat(result).isFalse();
+    }
+}
\ No newline at end of file