x=x+1 vs. x +=1

Question

I\'m under the impression that these two commands result in the same end, namely incrementing X by 1 but that the latter is probably more efficient.

If this is not c

Answer 1

Something worth noting is that +=, -=, *= etc. do an implicit cast.

int i = 0;
i = i + 5.5; // doesn't compile.
i += 5.5; // compiles.