Swap

Question

how the swap with one line is executing?? the value for b is OK...and how it is possible for a??

Answer 1

a=a+b-(b=a);
This works in C++, idk for Java

Answer 2

It swaps the values, for exaple, if a=5 and b=4, when you print it after it will be: a=4 b=5

Answer 3

you're saying it is gives both values ???

Answer 4

am asking how it work???explain the line a=a+b-(b=a);