precedence      associativity   Operators                           Notes
(highest)
1               left            !  -  ~                             (1)
2               left            *  /  %
3               left            +  -
4               left            >>  <<
5               left            >  <  <=  >=
6               left            ==  !=
7               left            &
8               left            ^
9               left            |
10              left            &&
11              left            ||
12              right           ? :
13              right           +=  -=  *=  /=  <<=  >>=  &=  |= ^= (2)
(lowest)