That is C-sharp Major, but since the circle of 5ths is a circle, it could go on for infinite, you COULD have C sextuple-sharp major with 42 sharps but it is never necessary to go this far!
The major scale with 2 sharps is D major, they are F and C sharp.
C major has no sharps or flats.
A major
The three sharps in A major are F, C, and G.
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 major scale with 2 sharps is D major, they are F and C sharp.
There are no sharps or flats in C Major.
C major has no sharps or flats.
A major
The three sharps in A major are F, C, and G.
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 B major scale has 5 sharps: F#, C#, G#, D#, A#.
The D major scale has F# and C#.
C major and A minor both have no sharps or flats.
The C major scale...
C major scale and A minor.
Concert A Major