MOONS
Jupiter has four names which are Io, Europa,Ganymede,and Callisto. These four moons are jupiter largest moons. Jupiter has 13 more moons ecept these four.

RINGS
There is a ring system ,but it is very faint and is totally invisable from the earth (The rings were discovered in 1979 by voyager 1).
 

Neptune  Vs.
            Jupiter 
 
 

Jupiter and Neptune are not the same in many was ,but is the same in some
way's
The color of two planets are not the same Neptune is a blue color and
Jupiter is a brown/white color.
The atmosphere in Neptune suggect waves and
Jupiter is a gas planet and has alot of gas.
In Neptune there is a moon called Triton which is the largest moon in
Neptune.
In Jupiter there are 17 moons total, but there are four that are the main
ones which are Io, Europa, Ganymede, and Callisto.
In Neptne the rings are shown to be very faint such as Jupiter.
In Neptune the size of the planet is very big with the rings to,but Jupiter in
the other hand is not very big as Neptune.
Jupiter's distance from the sun is 8,836 miles but Neptune's distance
from the sun is 4,504,000,000km.