diff --git a/em-oop/src/BasicCheck3.java b/em-oop/src/BasicCheck3.java
new file mode 100644
index 0000000..d12e219
--- /dev/null
+++ b/em-oop/src/BasicCheck3.java
@@ -0,0 +1,35 @@
+
+public class BasicCheck3 {
+	public static void main(String[] args) {
+		Item[] items = new Item[3];
+		items[0] = new Item();
+		items[1] = new Item();
+		items[2] = 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(int i=0;i<3;i++) {
+			items[i].sell(5);
+			System.out.println(items[i].name+" "+items[i].price+"円 残り"+items[i].stock+"個");
+			
+		
+			
+			
+		}
+	}
+	
+	
+
+}
diff --git a/em-oop/src/Item.java b/em-oop/src/Item.java
new file mode 100644
index 0000000..311d0b6
--- /dev/null
+++ b/em-oop/src/Item.java
@@ -0,0 +1,11 @@
+
+public class Item {
+	String name;
+	int price;
+	int stock;
+	
+	public void sell(int amount) {
+		this.stock = this.stock - amount;
+	}
+
+}