One of the Spec Methods of GridLayout Has the Following

Multiple Choice

One of the spec methods of GridLayout has the following API:
Public, static GridLayout.Spec spec( int s1, int s2 )
What do s1 and s2 represent?

A) Nothing, these parameters are useless.
B) s1 is the number of rows, and s2 is the number of columns.
C) s1 is the starting index, and s1 is the size.
D) s2 is the size, and s1 is the starting index.