using System;

namespace C_Sharp_Console
{
	/// <summary>
	/// Summary description for Class1.
	/// </summary>
	using System;
	using System.Collections;  // needed for ArrayList
	using System.IO ;  // needed for file IO
	public class Class1
	{
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		
		static void Main()
		{
			Class1 c = new Class1();

			int x = 1 ;
			int y = -2 ;
			int z = 4 ;
			int m = c.sum(3,1,4,1,5,9) ; 
			int n = c.sum(x,y,z) ;
			Console.WriteLine("m={0}, n={1}",m,n) ;

			ArrayList name = new ArrayList();
			name.Add("Gizmo");
			name.Add(75);
			for(int i=0; i<name.Count; i++)
				Console.WriteLine("name[{0}]={1}",i,name[i]) ;

//			ArrayList a = new int();  // invalid form
//			int a = new ArrayList();  // invalid form

			while(n>0)
			{
				Console.WriteLine("n={0}",n) ;
				n-- ;
			}

			do 
			{
				Console.WriteLine("n={0}",n) ;
				n++ ;
			} while(n<5) ;

			StreamWriter outstr = new StreamWriter("testout_JP.txt") ;
			outstr.WriteLine("Dis here test.") ;
			outstr.Close() ;
			StreamReader instr = new StreamReader("testout_JP.txt") ;
			string s = instr.ReadToEnd() ;
			Console.WriteLine("File says: {0}", s) ;

		}

		public int sum(params int[] vals)
		{
			int temp=0 ;
			foreach(int n in vals)
				temp += n ;
			return temp ;
		}
	}
}