Answer & Explanation:
Open a New Raptor document and save the file with a name: demo.rap.
Move Input symbol on the drawing area.
Double click on Input symbol.
Write prompt: “Please input your first name: ”
Enter variable name: firstName
Click on Done button.
Move Input symbol on drawing area.
Double click on Input symbol.
Write prompt: “Please input your last name: ”
Enter variable name: lastName
Click on Done button.
Move Output symbol on the drawing area.
Double click on Output symbol.
Write a message with variables: “Hello ” + ” “ + firstName + lastName (+ to join string with variables values.
Click on Done button.
Click Execute to completion in the Run Menu.