diff --git a/README.md b/README.md
new file mode 100644
index 0000000..dabd3a1
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# Kotlin メモ
+
+## jarファイル作成
+
+```
+$ kotlinc hello.kt -include-runtime -d hello.jar
+```
+
+## 実行
+
+```
+$ java -jar hello.jar
+```
+
diff --git a/class.kt b/class.kt
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--- /dev/null
+++ b/class.kt
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+package fuga;
+
+class Hoge
+
+fun main(args: Array<String>) {
+    println("Hello, World!")
+}
diff --git a/hello.kt b/hello.kt
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index 0000000..0b69e21
--- /dev/null
+++ b/hello.kt
@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("Hello, World!")
+}