diff --git a/em-oop/src/BasicCheck3.java b/em-oop/src/BasicCheck3.java
new file mode 100644
index 0000000..3c31234
--- /dev/null
+++ b/em-oop/src/BasicCheck3.java
@@ -0,0 +1,26 @@
+
+public class BasicCheck3 {
+
+	public static void main(String[] args) {
+		// TODO 自動生成されたメソッド・スタブ
+		Item[] items = new Item[3];
+		for (int i = 0; i < items.length; i++) {
+			items[i] = new Item();
+		}
+		items[0].name = "ノート";
+		items[0].price = 120;
+		items[0].stock = 50;
+		items[1].name = "消しゴム";
+		items[1].price = 80;
+		items[1].stock = 30;
+		items[2].name = "鉛筆";
+		items[2].price = 60;
+		items[2].stock = 100;
+
+		for (Item i : items) {
+			i.sell(5);
+			System.out.println(i.name + " " + i.price + "円　残り" + i.stock + "個　合計金額" + i.totalPrice() + "円");
+		}
+	}
+
+}
diff --git a/em-oop/src/Item.java b/em-oop/src/Item.java
new file mode 100644
index 0000000..a379897
--- /dev/null
+++ b/em-oop/src/Item.java
@@ -0,0 +1,14 @@
+
+public class Item {
+	String name;
+	int price;
+	int stock;
+
+	void sell(int amount) {
+		this.stock -= amount;
+	}
+
+	int totalPrice() {
+		return this.price * this.stock;
+	}
+}
\ No newline at end of file