say a = 10 and b = 20; b = a + b;// b= 30 a = b - a;// a= 20 b = b

how to swap two strings without using any third variable ?

Question Posted / ashutosh

Answer Posted / ashutosh

say a = 10 and b = 20;
b = a + b;// b= 30
a = b - a;// a= 20
b = b - a;// b= 10

so now a = 20 b= 10

Is This Answer Correct ?

27 Yes

16 No

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