2日目　段階１　小澤

2026-09-15 13:18:13 +09:00
parent bbf7ac5628
commit 992bd30434
2 changed files with 24 additions and 7 deletions
--- a/em-oop/src/Book.java
+++ b/em-oop/src/Book.java
@@ -3,6 +3,18 @@ public class Book {
 	String title;
 	String author;
 	int price;
+	
+	public Book() {
+		this.title="タイトル未設定";
+		this.author="著者未設定";
+		this.price=0;
+	}
+	public Book(String title,String author,int price) {
+		this.title=title;
+		this.author=author;
+		this.price=price;
+	}
 }
+