How many brain cells does your brain contain? How long does it take to Google it? (but hint- there won't be an answer waiting there for you)
two sharps on a violin mean your in the key of D. the sharps are F# and C#
A B C D E F G, and sharps and flats inbetween.
Do you mean what notes with sharps can you play on the violin? You can play any note including the chromatics (sharps and flats) from its lowest pitch (G) to its highest limit (conventionally B). For contemporary music with unusual techniques, you can play all of the quarter tones, or notes between the notes of a chromatic scale.
34 sharps
A major has 3 sharps, A minor has no sharps or flats.
There are no sharps in F minor.
It depends on which key signature. D major has 2 sharps. F# major has 6 sharps. Bb major has no sharps.
There are no sharps or flats in C Major.
A major has three sharps: F#, C#, and G#.
The Key of Ab does not have any sharps naturally written in it. It has four flats.
G# Maj - 6 sharps and 1 double sharp G# Min - 5 sharps
A♯ minor has the maximum seven sharps, but A♯ major has 10 'sharps', 4 sharps and three *double* sharps, so B-flat major will be preferable with only two flats.