Swap variables without introducing third variable

Question

Int a=5;
Int b= 6;

How will you swap the variables ?(a=6, b=5)

Answer 1

a=a*b
b=a/b
a=a/b

Answer 2

Use this trick..

If u want to swap a and b.,
a=a+b;
b=a-b;
a=a-b;
You will get it

Answer 3

It's simple addition and subtraction, just play with those numbers and you will end up getting the answer.

Answer 4

LearnerLipi

Using substrings.

https://code.sololearn.com/cqZ3G8zCI0jI/?ref=app

Answer 5

I'm sure you'll find some examples online, have you searched on google ?

Answer 6

Strings are immutable and you can update the same variable with new values but remember every time you do that, you will create a new object.

Answer 7

Avinesh : What when it's string?