I have the `In` package from [Princeton](http://introcs.cs.princeton.edu/java/stdlib/In.java.html) loaded into the same directory as my files, and I compiled it. 

And, I use the package in my code. But, when I use `import In;` somehow I still get an error?

```
java:7: error: '.' expected
import In;
       ^

```

What is the solution to this silly problem?