The five black notes in the keyboard can be written as C#, D#, F#, G# and A#. Theoretically, any note has a sharp, a semitone higher pitch. In fact B# and E# are white notes, C and F respectively.
Five sharps is the key of B major or G-sharp minor.
The Key of Ab does not have any sharps naturally written in it. It has four flats.
If you are refering to music, the sign for sharp is #
There's no sharps of flats in the key signature in either C major or A minor.
The C major scale...
The key of C natural.
Sharps and flats in music are called accidentals; this also includes naturals.
The major scale with five sharps is B major. The five sharps, in written order, according to the key signature, are F#, C#, G#, D#, A#.
The Key of Ab does not have any sharps naturally written in it. It has four flats.
D flat major has five sharps
Natural
If you are refering to music, the sign for sharp is #
B Major (and G sharp minor) has five sharps, but B minor only has two sharps (like D major).
There's no sharps of flats in the key signature in either C major or A minor.
E sharp has 3 sharps and 4 double sharps, the sharps are E sharp, A sharp, and B sharp.
The C major scale...
Sharps make the note a semitone higher in pitch whereas flats make it a semitone lower. Hope this helps!
A key signature, accidentals, a piece of music.