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Question

Which method does following set of code explains? 
static void Main(string[] args)
 {
     int a = 10, b = 20;
     method(ref a,  ref b);
     console.writeline(a + "  " + b);
 }
 static void swap(ref int i,  ref int j)
 {  
     int t;
     t = i;
     i = j;
     j = t;
 }

a.

Call by reference

b.

Call by value

c.

Output parameter

d.

parameter arrays

Posted under C# programming

Answer: (a).Call by reference

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Q. Which method does following set of code explains?
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