From 3ee9050138e10a087562d4b410d9d9eb7de158b4 Mon Sep 17 00:00:00 2001
From: Hai Nguyen <nn.hai@samsung.com>
Date: Fri, 16 Nov 2018 10:18:14 +0800
Subject: [PATCH] change from @before to init

---
 .../test/kotlin/com/baeldung/random/RandomStringTest.kt  | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/core-kotlin/src/test/kotlin/com/baeldung/random/RandomStringTest.kt b/core-kotlin/src/test/kotlin/com/baeldung/random/RandomStringTest.kt
index a2a1ac58e3..3c7bc44ea8 100644
--- a/core-kotlin/src/test/kotlin/com/baeldung/random/RandomStringTest.kt
+++ b/core-kotlin/src/test/kotlin/com/baeldung/random/RandomStringTest.kt
@@ -13,14 +13,7 @@ const val STRING_LENGTH = 10
 const val ALPHANUMERIC_REGEX = "[a-zA-Z0-9]+"
 
 class RandomStringTest {
-
-    private val charPool = ArrayList<Char>()
-
-    init {
-        charPool.addAll('a'..'z')
-        charPool.addAll('A'..'Z')
-        charPool.addAll('0'..'9')
-    }
+    private val charPool : List<Char> = ('a'..'z') + ('A'..'Z') + ('0'..'9')
 
     @Test
     fun givenAStringLength_whenUsingJava_thenReturnAlphanumericString() {