Merge pull request #4029 from theawesomenayak/BAEL-1675

[BAEL-1675] Write to a File in Kotlin

core-kotlin/src/main/kotlin/com/baeldung/filesystem/FileWriter.kt

@@ -0,0 +1,19 @@
+package com.baeldung.filesystem
+
+import java.io.File
+
+class FileWriter {
+
+    fun writeFileUsingPrintWriter(fileName: String, fileContent: String) =
+            File(fileName).printWriter().use { out -> out.print(fileContent) }
+
+    fun writeFileUsingBufferedWriter(fileName: String, fileContent: String) =
+            File(fileName).bufferedWriter().use { out -> out.write(fileContent) }
+
+    fun writeFileDirectly(fileName: String, fileContent: String) =
+            File(fileName).writeText(fileContent)
+
+    fun writeFileDirectlyAsBytes(fileName: String, fileContent: String) =
+            File(fileName).writeBytes(fileContent.toByteArray())
+
+}