using System;
class MainClass {
static bool isCriteria(int v) {
if(v > 1)
return true;
return false;
}
public static void Main() {
int[] nums = { 1, 4, -1, 5, -9 };
Console.Write("Contents of nums: ");
foreach(int i in nums)
Console.Write(i + " ");
Console.WriteLine();
if(Array.Exists(nums, isCriteria)) {
Console.WriteLine("nums contains a negative value.");
// Now, find first negative value.
int x = Array.Find(nums, isCriteria);
Console.WriteLine("First negative value is : " + x);
}
}
}
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