static void TypeMethod1()
Console.WriteLine("Day la method kieu void khong co tham so!");
static void TypeMethod2(string name)
Console.WriteLine("Day la method kieu void co tham so!");
Console.WriteLine("Xin chao {0}!", name);
static void TypeMethod3(out string str){
static void TypeMethod4(int a, int b, out int result)
for (int i = 0; i < b; i++) {
public static void Main()
Console.WriteLine("TYPE 1");
Console.WriteLine("\nTYPE 2");
Console.WriteLine("\nTYPE 3");
Console.WriteLine("\nTYPE 4");
TypeMethod4(4, 4, out result);
Console.WriteLine(result);