using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class MainClass { public static void Main() { string[] presidents = {"G", "H", "a", "H", "over", "Jack"}; bool any = presidents.Any(s => s.StartsWith("Z")); Console.WriteLine(any); } }
All with condition
using System; using System.Collections; using System.Collections.Generic; using System.Text; using System.Linq; public class MainClass{ public static void Main(){ int[] numbers = { 2, 6, 1, 56, 102 }; Console.Write(numbers.All(e => e % 2 == 0) ? "Yes, they are" : "No, they aren't"); } }
uses All to determine whether an array contains only odd numbers.
using System; using System.Collections.Generic; using System.Linq; using System.Text; public class MainClass { public static void Main() { int[] numbers = { 1, 11, 3, 19, 41, 65, 19 }; bool onlyOdd = numbers.All(n => n % 2 == 1); Console.WriteLine("The list contains only odd numbers: {0}", onlyOdd); } }
All with Predicate to Return True
using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class MainClass { public static void Main() { string[] presidents = {"G123456", "H", "a", "H", "over", "Jack"}; bool all = presidents.All(s => s.Length > 5); Console.WriteLine(all); } }
All with string length
using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class MainClass { public static void Main() { string[] presidents = {"G", "H", "a", "H", "over", "Jack"}; bool all = presidents.All(s => s.Length > 3); Console.WriteLine(all); } }
Any operator with an string array
using System; using System.Linq; using System.Collections; using System.Collections.Generic; public class MainClass { public static void Main() { string[] presidents = {"G", "H", "a", "H", "over", "Jack"}; bool any = presidents.Any(); Console.WriteLine(any); } }
Any with condition
using System; using System.Collections; using System.Collections.Generic; using System.Text; using System.Linq; public class MainClass{ public static void Main(){ int[] numbers = { 2, 6, 1, 5, 10 }; Console.WriteLine("Is there at least one odd number?"); Console.Write(numbers.Any(e => e % 2 == 1) ? "Yes, there is" : "No, there isn't"); } }