ส่งการบ้านครั้งที่ 7

โปรแกรมทึ่ 7.7
using System;
namespace studentname
{
    class student
    {
        private int idNumber;
        private string lastName;
        private double gradePointAversge;
        public int getld()
        {
            return idNumber;
        }
        public string getName()
        {
            return lastName;
        }
        public double getGPA()
        {
            return gradePointAversge;
        }
        public void setLd(int id)
        {
            idNumber = id;
        }
        public void setName(string name)
        {
            lastName = name;
        }
        public void setGPA(double gpa)
        {
            gradePointAversge = gpa;
        }
        class Program
        {
            static void Main()
            {
                student st = new student();
                st.setLd(9353);
                st.setName("Teerawat");
                st.setGPA(3.98);
                Console.WriteLine("Student name {0} has ID # {1} and gpa of{2}",
                    st.getName(), st.getld(), st.getGPA());
                Console.ReadLine();
            }
        }
    }
}

โปรแกรมที่ 8.6
using System;
namespace UserPredefineMethods
{
    static class Program
    {
        static void Main()
        {
            double[] waterDepht = { 45, 19, 2, 16.8, 190, 0.8, 510, 6, 18 };
            string outputMsg = "";
            string caption = "System.Array Methods IIIustrated";
            double[] w = new double[20];
            outputMsg += "waterDepth Array\n\n";
            foreach (double wVal in waterDepht)
                outputMsg += wVal + "\n";
            MessageBox.Show(outputMsg, caption);
            Array.Copy(waterDepht, 2, w, 0, 5);
            Array.Sort(w);
            outputMsg = "Array w Sorted\n\n";
            foreach (double wVal in w)
            {
                if (wVal > 0)
                    outputMsg += wVal + "\n";
            }
            MessageBox.Show(outputMsg, caption);
            Array.Reverse(w);
            outputMsg = "Array w Reversed\n\n";
            foreach (double wVal in w)
            {
                if (wVal > 0)
                    outputMsg += wVal + "\n";
            }
            MessageBox.Show(outputMsg, caption);
        }
    }
}