# 使用

```console
$ javac MainFiveBasic.java && java MainFiveBasic
Drawing a circle of radius 1.23
Drawing a rectangle of 1.23 * 4.56
```

```console
$ javac MainFiveAdvanced.java && java MainFiveAdvanced
This is car running!
This is bike running!
This is truck running!
This is car running!
This is truck running!
```