diff --git a/em-oop/src/BasicCheck1.java b/em-oop/src/BasicCheck1.java
index 9333dce..1be5e1f 100644
--- a/em-oop/src/BasicCheck1.java
+++ b/em-oop/src/BasicCheck1.java
@@ -2,18 +2,17 @@
 public class BasicCheck1 {
 
 	public static void main(String[] args) {
-		// TODO 自動生成されたメソッド・スタブ
 
-		Book book = new Book();
-		
-		book.title = "吾輩は猫である";
-		book.author = "夏目漱石";
-		book.price = 800;
-		
-		System.out.println(book.title);
-		System.out.println(book.author);
-		System.out.println(book.price);
-		
+		Book book1 = new Book();
+		Book book2 = new Book("銀河鉄道の夜", "宮沢賢治", 500);
+
+		//		book.title = "吾輩は猫である";
+		//		book.author = "夏目漱石";
+		//		book.price = 800;
+
+		System.out.println(book1.title +"\n"+ book1.author +"\n"+ book1.price);
+		System.out.println(book2.title +"\n"+ book2.author +"\n"+ book2.price);
+
 	}
 
 }
diff --git a/em-oop/src/Book.java b/em-oop/src/Book.java
index 418f4a3..0d794c6 100644
--- a/em-oop/src/Book.java
+++ b/em-oop/src/Book.java
@@ -1,6 +1,20 @@
 
 public class Book {
-	String title;
-	String author;
-	int price;
+	public String title;
+	public String author;
+	public int price;
+
+	public Book() {
+		title = "タイトル未設定";
+		author = "著者未設定";
+		price = 0;
+
+	}
+
+	public Book(String title, String author, int price) {
+		this.title = title;
+		this.author = author;
+		this.price = price;
+
+	}
 }