diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cb0e6a9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+bin/*
+*.class
\ No newline at end of file
diff --git a/bin/Urashima.class b/bin/Urashima.class
index 458c7e8..6a5a076 100644
--- a/bin/Urashima.class
+++ b/bin/Urashima.class
Binary files differ
diff --git a/src/Actor.java b/src/Actor.java
new file mode 100644
index 0000000..bfc5ee1
--- /dev/null
+++ b/src/Actor.java
@@ -0,0 +1,25 @@
+public class Actor {
+    String name = "";
+
+    void showName() {
+        System.out.println(name);
+    }
+
+    void getItem(Item item) {
+        System.out.println(name + " は " + item.to_string() + " を手に入れた。");
+    }
+
+    void giveItem(Item item, Actor name) {
+        System.out.println(this.name + " は " + item.to_string() + " を " + name.to_string() + " に渡した。");
+    }
+
+    String to_string(){
+        return name;
+    }
+}
+
+class Urashima extends Actor {
+    Urashima(){
+        name = "浦島太郎";
+    }
+}
\ No newline at end of file
diff --git a/src/Item.java b/src/Item.java
new file mode 100644
index 0000000..0720cf1
--- /dev/null
+++ b/src/Item.java
@@ -0,0 +1,21 @@
+public class Item {
+    String name = "";
+
+    public Item(String string) {
+    }
+
+    void setMono(String name) {
+        this.name = name;
+    }
+
+    public String to_string() {
+        return name;
+    }
+
+}
+
+class Tamatebako extends Item {
+    Tamatebako() {
+        super("玉手箱");
+    }
+}
diff --git a/src/Urashima.java b/src/Urashima.java
index 0e8ed8c..a6d338d 100644
--- a/src/Urashima.java
+++ b/src/Urashima.java
@@ -1,6 +1,10 @@
 public class Urashima {
     public static void main(String[] args) throws Exception {
         System.out.println("Hello, World!");
-        
+
+        // 
+        Urashima urashima = new Urashima();
+        Tamatebako tamatebako = new Tamatebako();
+        urashima.getItem(tamatebako);
     }
 }