Question

Could anyone please explain me this? or can you write this other way? Thank you

public double getTotal() {

return (item1==null?0:item1.getPrice())+

(item2==null?0:item2.getPrice())+

(item3==null?0:item3.getPrice());

Answer 1

It's a recursive function their are three different ternary operator statement . In , First statement if the value of item is equal to null then value return is zero otherwise it call get price function . These all three statement execute in same way. These all statement execute in using diff. Diff. Stack. And the end of function they all return value. Which is add and return by function.