C# Programming - Control Instructions - Discussion

do
{
    Console.WriteLine((char) i); 
} 
while (int i = 0; i < arr; i++);

foreach (int i in arr)
{
    Console.WriteLine((char) i);
}

for (int i = 0; i < arr; i++)
{
    Console.WriteLine((char) i);
}

while (int i = 0; i < arr; i++)
{
    Console.WriteLine((char) i);
}

do
{
    Console.WriteLine((char) i); 
} 
until (int i = 0; i < arr; i++);