What Will Be The Output Of The Following C Codep Pre Langcsharp #244

What will be the output of the following C# code?</p> <pre><code class="language-csharp" line="1"> static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; string s = obj+" "+obj1; Console.WriteLine(s.IndexOf('r')); Console.ReadLine(); } </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 - String Class with Description - Quiz No.1.

 static void Main(string[] args) { String obj = "hello"; String obj1 = "world"; String obj2 = obj; string s = obj+" "+obj1; Console.WriteLine(s.IndexOf('r')); Console.ReadLine(); }