final static data member in java [duplicate]

This question already has an answer here:

• Change private static final field using Java reflection 4 answers

Can we change the value of final static data member inside a method and is it possible by using Reflection or not?

see this code:

class ABC{

final static int saleTax=4;

 public int calTax(){
   saleTax=40;  // Is it possible?
}

}