IterateArrayList.cs

ArrayList arlist = new ArrayList()
                        {
                            1,
                            "Bill",
                            300,
                            4.5F
                        };

foreach (var item in arlist)
    Console.Write(item + ", "); //output: 1, Bill, 300, 4.5, 
            
for(int i = 0 ; i < arlist.Count; i++)
    Console.Write(arlist[i] + ", "); //output: 1, Bill, 300, 4.5,