It really depends on your goals, and how many days a week you're working out, and what 'works for you'.
For a five day split, I like
Chest (upper major)
Legs/Calves (lower major)
Back/Abs (upper major)
Shoulders/Traps
Arms/Abs/Calves
Giving me a rest between upper majors. I usually don't like to do calves before legs, don't usually like to do abs before back, and usually leave arms until after upper body push/pull.
For a four day, I like to combine the last two days (which makes for a big day), or move shoulders into chest day.
For a three day split, I might do
Chest/Shoulders/Traps
Legs/Calves/Back/Abs
Arms/Abs/Calves
Anything less than a three day split, I prefer to do whole body workouts.
This is what I find works for me - but it differs for everyone. I like to get chest in first, cause mine is lacking somewhat and I'm trying to slowly build it up. Sometimes I'll swap legs and back around, might do alternating sets when I'm on arms, alternate quads and hammies.
Try some different workouts, and go with what works for you.