Input text blocks can be formatted to display with a border around the text.

Instead of decorating an edge with just a weight (a double), Felice needs a weight (a double representing distance), a route number (an int), and a name (a String). What changes have to be made to the interface to support this? What changes need to be made to the internal representation of vertices and edges?

What will be an ideal response?

Which of the following is the Refresh button?

A.
B.
C.
D.