How do i add 3 static numbers to get their average number?

Question

like for example num1=10 num2=20 num3= 45 =25

Answer 1

Just like regular non static variables.

Answer 2

just like?
int num1= 10;
system.out.println("Number 1=10");
int num2= 20;
system out.println("Number 2= 20");
int num3= 45
system.out.println("Number 3= 45);
??