Answer needed urgently Pick the correct statements with reference to the Apple iPhone screen.
The dot is the most basic screen aspect.
It is the smallest unit of a single color.
When zoomed in pixels look like tiny squares.
DPI measures the size of a screen.
PPI measures the point density of a screen.
The retina display has three times the density of non-retina screens.

What makes myhexadecimalnumber a child of mynumber? which methods does myhexadecimalnumber inherit directly from the mynumber class? what can an instance of the mynumber class do? what can an instance of the myhexadecimalnumber class do? which methods are overridden? why are they overridden? how many examples of overloading are there? why was this done? where is the super keyword used? what is it doing? why isn’t the incoming value set immediately in the second myhexadecimalnumber constructor? how many examples can you find of an inherited method being called?