What Will Be The Output Of The Following C Codep Pre Langcsharp #289

What will be the output of the following C# code?</p> <pre><code class="language-csharp" line="1"> static void main(string[] args) { int n = 1; method(n); console.Writeline(n); method1(ref n); console.Writeline(n); } static void method(int num) { num += 20; console.writeline(num); } static void method1(ref int num) { num += 20; console.writeline(num); } </code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs108 CSharp. It can also be found in gs gs108 Arrays and Strings - Use of Ref and Out Parameters - Quiz No.1.

 static void main(string[] args) { int n = 1; method(n); console.Writeline(n); method1(ref n); console.Writeline(n); } static void method(int num) { num += 20; console.writeline(num); } static void method1(ref int num) { num += 20; console.writeline(num); } 

   1 1 1 1

   21 1 21 21

   11 21 21 11

   21 1 21 21