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What is the difference between All and Any in C# Linq?
Any(<predicate>) method returns true if at least one of the elements in the source sequence matches the provided predicate. Otherwise, it returns false. On the other hand, the All(<predicate>) method returns true if every element in the source sequence matches the provided predicate. Otherwise, it returns false
Example
static void Main(string[] args){
IEnumerable<double> doubles = new List<double> { 1.2, 1.7, 2.5, 2.4 };
bool result = doubles.Any(val => val < 1);
System.Console.WriteLine(result);
IEnumerable<double> doubles1 = new List<double> { 0.8, 1.7, 2.5, 2.4 };
bool result1 = doubles1.Any(val => val < 1);
System.Console.WriteLine(result1);
Console.ReadLine();
}Output
False True
Example
static void Main(string[] args){
IEnumerable<double> doubles = new List<double> { 0.8, 0.9, 0.6, 0.7 };
bool result = doubles.All(val => val < 1);
System.Console.WriteLine(result);
IEnumerable<double> doubles1 = new List<double> { 0.8, 0.9, 1.0, 0.7 };
bool result1 = doubles1.All(val => val < 1);
System.Console.WriteLine(result1);
Console.ReadLine();
}Output
True False
Updated on: 05-Dec-2020
2K+ Views
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