Mega Code Archive
Count elements in a Range
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using System;
using System.Collections.Generic;
using System.Linq;
class Item{
public int Width { get; set; }
public int Length { get; set; }
public override string ToString(){
return string.Format("Width: {0}, Length: {1}", Width, Length);
}
}
class MainClass{
static void Main(string[] args){
List<Item> items = new List<Item>{
new Item { Length = 0, Width = 5 },
new Item { Length = 1, Width = 6 },
new Item { Length = 2, Width = 7 },
new Item { Length = 3, Width = 8 },
new Item { Length = 4, Width = 9 }
};
ShowList(items);
Console.WriteLine("The number of items: {0}", items.Count());
var list = Enumerable.Range(1, 25);
ShowList(list);
Console.WriteLine("Total Count: {0}, Count the even numbers: {1}",list.Count(), list.Count(n => n % 2 == 0));
}
static void ShowList<T>(IEnumerable<T> list){
foreach (var item in list){
Console.WriteLine(item);
}
}
}
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