what is import java.io.*?
Import basically means you're adding a Library/Package full of classes and methods that are premade for ease of use. Java.IO is standard for Java Input/Output. So in essence you're importing extra Input/Output functionality. The asterisk on the end means you're importing everything in the Java.IO Package.
Here is what the above code is Doing:
1. We’re creating a new instance of the Scanner class.
2. We’re calling the nextLine() method on the Scanner class.
3. We’re assigning the value of the nextLine() method to the variable name.