Can I have a program with more than one user input?

Question

If not, is there a way I can separate two variables in a user input

Answer 1

Asking for Sololearn's Code Playground?
You just separate two inputs by a line-break.. First input in first line and second in second.

Answer 2

Thank you Nikhil
And then how do I transfer them separately into doubles?

Answer 3

Depending on how you read the inputs, you could put them on 1 line or hundreds. If you're using Scanner, each input is separated by whitespace so:
1 2 3
and
1
2
3
are identical to your code.

Answer 4

Scanner nextDouble() method reads one double and returns it's value to be assigned as needed.