c# arraylist contains
IList arList = new ArrayList();
arList.Add(100);
arList.Add("Hello World");
arList.Add(300);
Console.WriteLine(arList.Contains(100)); // true
c# arraylist contains
IList arList = new ArrayList();
arList.Add(100);
arList.Add("Hello World");
arList.Add(300);
Console.WriteLine(arList.Contains(100)); // true
c# check if string is in array
using System;
namespace Example
{
class Program
{
static void Main(string[] args)
{
string[] planets = { "Mercury", "Venus",
"Earth", "Mars", "Jupiter",
"Saturn", "Uranus", "Neptune" };
if (planets.Contains("Jupiter"))
{
Console.WriteLine("It contains Jupiter");
}
Console.WriteLine("One or more planets begin with 'M': {0}",
Array.Exists(planets, element => element.StartsWith("M")));
Console.WriteLine("One or more planets begin with 'T': {0}",
Array.Exists(planets, element => element.StartsWith("T")));
Console.WriteLine("Is Pluto one of the planets? {0}",
Array.Exists(planets, element => element == "Pluto"));
}
}
}
// The example displays the following output:
// One or more planets begin with 'M': True
// One or more planets begin with 'T': False
// Is Pluto one of the planets? False
c# string array contains
string[] array = { "cat", "dog", "perl" };
// Use Array.Exists in different ways.
bool a = Array.Exists(array, element => element == "perl");
bool c = Array.Exists(array, element => element.StartsWith("d"));
bool d = Array.Exists(array, element => element.StartsWith("x"));
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