実験課題1

Exercise 1(課題1) See the section 5.1.1. "About Polymorphism". Show the execution result of Figure 3 and 4 and its complete source codes by the import of external project chapter4kadai9. Follow instruction below to show the result.

1. create the Java application project named chapter5kadai1.
2. import external project named chapter4kadai9 to this project by using the way of 2.1.2.節の方法.
3. create main method to run this program.
4. take a screenshot of the execution result.

(5.1.1.節をよく読み、プロジェクトchapter5kadai1を作成し、2.1.2.節の方法を使って、プロジェクトchapter4kadai9を参照しなさい。その後、図3および図4を実行し、実行結果をスクリーンショットで報告しなさい。)