};//the end of AvgPredicate
public static void Exercise2()
{
Console.WriteLine("\nExercise 2\n");
GradeDisplay();
GradesPredicate gradesPredicate = val => val >= 50;
GradesFilter(gradeArray(), gradesPredicate);
}
// Grade Filter Method
private static void GradesFilter(double[] gradesArray, GradesPredicate predicate)
{
Console.WriteLine("The passing grades are: ");
// Checks each grade in the array and operate them using the predicate method
foreach (var grade in gradesArray)
{
Console.Write(predicate(grade) ? grade + " " : "");
}
Console.WriteLine();
}
// Method that only displays those grades values which are greater than or equal to 50.
private static void GradesFilter(double[] gradesArray, GradesPredicate predicate)
{
foreach (var item in gradesArray)
{
// if the element satisfies the predicate
if (predicate(item))
{
Console.WriteLine(item);
}
}
}
//Method to filter the grades array with a lambda expression passed
//input is grades array and predicate (lambda expression)
static void GradesFilter(double [] numbers, GradesPredicate test)
{
Console.WriteLine("Grades above or equal 50:");
foreach (double number in numbers)
{
if (test(number))
{
Console.WriteLine($"{number}");
}
}
}
public static void GradesFilter(double[] grades, GradesPredicate gradesPredicate)
//GradeFilter method that filters grades under 50 and displays grades that are qual to or greater than 50.
{
Console.WriteLine("\nGrades that are equal to or greater than 50.");
foreach (var grade in grades)
{
if (gradesPredicate(grade))
{
Console.WriteLine(grade.ToString("F2"));
}
}
}
} // end Main
/// <summary>
/// This method returns grades based on gradesArray and a delegate funtion predicate
/// </summary>
/// <param name="gradesArray"></param>
/// <param name="predicate"></param>
private static void GradesFilter(double[] gradesArray, GradesPredicate predicate)
{
// Iterate over each element in the array
foreach (double item in gradesArray)
{
// Print elements that satisfies the predicate
if (predicate(item))
{
Console.Write($"{item} "); // print item followed by a space
}
}
Console.WriteLine();
} // end method GradesFilter
} // end Main
private static void GradesFilter(double[] gradesArray, GradesPredicate predicate) // method that displays only the grades that are equal or more than 50
{
Console.Write("\nThe grades which are greater than or equal to 50 are as follows: \n");
// Iterate over each element in the array
foreach (double item in gradesArray)
{
// Print elements that satisfies the predicate
if (predicate(item))
{
Console.Write($" {item} "); // print item followed by a space
}
}
Console.WriteLine();
} // end method GradesFilter
