Example of practical of “ref” use [closed]

Answer 1

public static void Main(string args[])
{
    int i=0;
    AddSomething(ref i);
    AddSomething(ref i);
    AddSomething(ref i);
    AddSomething(ref i);


    string mystr = "Hello";
    AddSomeText(ref mystr);
    Console.WriteLine(mystr);


    Console.WriteLine("i = {0}", i);
}


public static void AddSomeText(ref string str)
{
    str+= " World!";
}


public static void AddSomething(ref int ii)
{
    ii+=1;
}