Java calculation

Question

var x=5+5;
document.write(x)
is a working calculation with output 10.
But wich signs represent - , : and • ?
because if i write • java don't get that i mean •

Answer 1

var x = 5 + 5 // x = 10 sum
x = 5 - 5 // x = 0 subtraction
x = 5 * 5 // x = 25 multiplication
x = 5 / 5 // x = 1 division
x = 5 % 5 // x = 0 remainder of integer division

Answer 2

thank you :D i was waiting so long for an answer