diff --git a/em-oop/src/BasicCheck3.java b/em-oop/src/BasicCheck3.java
index 07cda80..120c90d 100644
--- a/em-oop/src/BasicCheck3.java
+++ b/em-oop/src/BasicCheck3.java
@@ -1,8 +1,45 @@
 
 public class BasicCheck3 {
-	public static void main() {
+	
+	public static void main(String[] args){
+		System.out.println("段階1－③");
+		
+		
 		Item[] items = new Item[3];
 		
+		items[0] = new Item();
+		items[0].name = "ノート";
+		items[0].price = 120;
+		items[0].stock = 50;
+		
+		items[1] = new Item();
+		items[1].name ="消しゴム";
+		items[1].price = 80;
+		items[1].stock = 30;
+		
+		items[2] = new Item();
+		items[2].name ="鉛筆";
+		items[2].price = 60;
+		items[2].stock = 100;
+		
+		
+		for(int i = 0; i <= 2; i++ )
+		{
+			items[i].sell(5);
+	    }
+		
+		System.out.println("在庫");
+		for(int i = 0; i < items.length; i ++) {
+			System.out.println("商品名" + items[i].name);
+			System.out.println("価格" + items[i].price);
+			System.out.println("在庫" + items[i].stock);
+			
+			
+		}
+		
+		
+//		Item 0 = new Item("ノート", 120, 50);
+		
 	}
 
 }
diff --git a/em-oop/src/Item.java b/em-oop/src/Item.java
index e102633..a31aca4 100644
--- a/em-oop/src/Item.java
+++ b/em-oop/src/Item.java
@@ -1,10 +1,20 @@
 
 public class Item {
+	//フィールドを宣言
 	String name;
 	int price;
 	int stock;
 	
+//	Item(String name, int price, int stock){
+//		this.name = name;
+//		this.price = price;
+//		this.stock = stock;
+//	}
+	
 	public  void sell(int amount) {
+		//メソッドを宣言
+		
+		//stockからamountを引く
 	    this.stock = this.stock - amount;
 	}