class Program
    {
        static void Main(string[] args)
        {
            String s = "HelloWorld";
            Console.WriteLine(s);
        }

    }

.method private hidebysig static void  Main(string[] args) cil managed
{
  .entrypoint
  // Code size       15 (0xf)
  .maxstack  1
  .locals init ([0] string s)
  IL_0000:  nop
  IL_0001:  ldstr      "HelloWorld"
  IL_0006:  stloc.0
  IL_0007:  ldloc.0
  IL_0008:  call       void [mscorlib]System.Console::WriteLine(string)
  IL_000d:  nop
  IL_000e:  ret
} // end of method Program::Main

 class Program
    {
        static void Main(string[] args)
        {
            String s = "HelloWorld";
            s = "HelloC#";
            s = "HelloJava";
            String s1= "HelloC#";
            Console.WriteLine(s);
        }

    }