実験課題5

Exercise 5(課題5) See the section 4.5.1. "About Constructor". Show the execution result of Figure 18 and Figure 19 as screenshot. Further, explain the difference between this program and Figure 12. Follow instructions below to run the program.

1. create the Java application project named chapter4kadai5.
2. add User class to this project.
3. create main method to run the program.
4. take the screenshot of the execution result.

(4.5.1.節をよく読み、プロジェクトchapter4kadai5を作成し、図18および図19の実行結果をスクリーンショットで報告しなさい。また、図12のプログラムとの違いを説明しなさい。)