using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp5
{
    public class Person
    {
        public string Name;

        public void Introduce(string to)
        {
            Console.WriteLine("Hi {0}, I am {1}", to, Name);//untuk print introduce
        }
        public static Person Parse(string str)//untuk assign string
        {
            var person = new Person();//untuk assign input menjadi new Person
            person.Name = str;

            return person;//mengembalikan variable
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            var person = Person.Parse("tommy");//untuk memanggil class person
            person.Introduce("Arya");//untuk memanggil object introduce
            Console.WriteLine("Press enter to close...");//agar tidak force close consolenya
            Console.ReadLine();//untuk assign enter agar console bisa close
        }
    }
}
------------------------------------------------------------------------------
namespace WindowsFormsApp3
{
    class konsumsi
    {
        public int konsum (int i)
        {
             return i * 6 * 30;
        }
    }
}
------------------------------------
namespace ConsoleApp6
{
    class MyArray
    {
        static void Main(string[] args)
        {
            int[] n = new int[10];
            int i, j;

            for ( i = 0; i < 10; i++)
            {
                n[i] = i + 100;
            }

            for(j = 0; j < 10; j++)
            {
                Console.WriteLine("Elemen[{0}] = {1}", j, n[j]);
            }
            Console.ReadKey();
        }
    }
}
-------------------------------------------
namespace week6_1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        public void CreateGrid()
        {
            int width = 5;//inisialisasi width
            int height = 5;

            int[,] grid = new int[width, height];//inisialisasi array rectangle
            grid[2, 3] = 3;//assign grid

            string message = null;//inisialisasi message
            for (int x = 0; x < width; x++)//looping buat array
            {
                for (int y = 0; y < height; y++)//looping
                {
                    message += (grid[x, y] + " ");//assign grid[x,y] ke variable message
                }
            }
            MessageBox.Show(message);//untuk ngeprint di message box
        }
        private void Button2_Click(object sender, EventArgs e)
        {
            CreateGrid();//memanggil fungsi CreateGrid
        }
    }
}
-----------------------------------------------
namespace kuli
{
    class akomodasi

    {
        public int a(int i)
        {
            return i * 6;
        }
    }
}
----------------------------------------

namespace kuli
{
    class Hitung
    {
        public int total(int a, int b, int c, int d, int e,int f, int semester)
        {
            return semester*(a + b + c + d + e + f );
        }

    }
}-----------------------------------------------------
private void Button1_Click(object sender, EventArgs e)
        {
            konsumsi a = new konsumsi();//untuk membuat object baru untuk dilempar ke class
            transportasi b = new transportasi();
            akomodasi c = new akomodasi();
            komunikasi d = new komunikasi();
            kuliah asde = new kuliah();
            buku f = new buku();

            int m = a.b(int.Parse(textBox7.Text));//untuk mengambil inputan dari textbox
            int n = b.a(int.Parse(textBox5.Text));
            int o = c.a(int.Parse(textBox6.Text));
            int p = d.a(int.Parse(textBox4.Text));
            int q = asde.a(int.Parse(textBox3.Text));
            int r = f.a(int.Parse(textBox8.Text));

            int semester = int.Parse(textBox2.Text);
            int total = (m + n + o + p + q + r) * semester;//menjumlah


            string ff = total.ToString();//merubah total dari int ke string

            string name = textBox1.Text;//assign name dari textbox1


            MessageBox.Show("Hai, " + name + "! Biaya yang kamu keluarkan untuk kuliah selama " + textBox2.Text + " semester adalah sebesar Rp." + ff);//untuk print messagebox
        }
------------------------------------------------------------

        private void Button1_Click(object sender, EventArgs e)
        {
            int[] arr = { 0, 0, 0, 0, 0, 0, 3, 3, 0, 2, 7 }; // inisialisasi array
            int batas = arr.GetUpperBound(0); // buat menentukan batas akhir
            string mes = null;// menyimpan mes untuk 5 angka terakhir
            for(int i = 0; i <= batas; i++)//looping i kurang dari batas
            {
                if (i > 5)//mencegah 6 nol di awal agar tidak tercetak
                {
                MessageBox.Show(arr[i].ToString());
                mes += arr[i].ToString();//mengcompound arr[i] di variable mes
                }

            }
            MessageBox.Show(mes);//print mes
        }
    }
}---------------------------------------------------------

namespace week6_3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            string[][] arr = new string[3][];//declare array yang berisi 2 elemen

            //inisialisasi elemen
            arr[0] = new string[4] { "00000029747", "00000032921", "00000033278", "00000032899" };
            arr[1] = new string[4] { "00000017859", "00000018233", "00000018055", "00000018291" };
            arr[2] = new string[4] { "00000027128", "00000033027", "00000032493", "00000032792" };

            for(int i = 0; i < arr.Length; i++)
            {
                MessageBox.Show("element: "+i);

                for(int j = 0; j < arr[i].Length; j++)
                {
                    MessageBox.Show("value: " + arr[i][j]);
                }
            }
            string nim = "00000033027";

            for(int i = 0; i < arr.Length; i++)
            {
                int hasil = Array.IndexOf(arr[i], nim);

                if(hasil > -1)
                {
                    MessageBox.Show("Posisi duduk baris ke " + (i + 1).ToString() + " kolam ke " + (hasil + 1).ToString());
                }
            }

        }
    }
------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using week6_4_2;//make week6_4_2 can accessed from here


namespace week6_4
{


    public partial class Form1 : Form
    {
        static int bb = 1;//intialize variable and make it global

        public Form1()
        {
            InitializeComponent();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            int kali = int.Parse(textBox1.Text);//convert string input from textbox1 to integer and store it in kali variable
            richTextBox1.Text = "index\tvalue";//print a string to richtextbox1
            float[] arr = new float[kali];//intialize array with float datatype, because its needed for calculate average
            float sum = 0;//intialize sum for later
            float avg = 0;//intialize avg for later
            for (bb = 0; bb < kali; bb++)//intialize a looping for pop up a box multiple times , sesuai dengan inputan user di variable kali
            {
                int bc = bb + 1;// intialize variable and +1 for printing in label1 and richtextbox
                using (Form2 f2 = new Form2())//make form2 can accessed from form1
                {
                    f2.label1.Text = "masukkan nilai elemen array " + bc + " ?";//print a string to label1
                    f2.ShowDialog();//popup the showdialog box
                    arr[bb] = f2.aa;//store a input from user to array arr[bb]
                    richTextBox1.Text += "\n" + bc.ToString() +"\t"+ arr[bb].ToString();
                    sum += arr[bb];//count total array value and sum it
                    avg = sum / kali;//find average by dividing sum with kali


                }



            }

            textBox3.Text = sum.ToString();//output sum to textbox3
            textBox2.Text = avg.ToString();//output sum to textbox2
            richTextBox2.Text = "Element\tvalue\tHistogram";//print a value to richtextbox2
            int ii;//intialize ii
            int i;//intialize i

            for (i = 0; i < kali; i++)//intialize loop for printing in textbox2
            {
                string a = "";//intialize string a
                for (int j = 0; j < arr[i]; j++)//inisialisasi looping untuk print * sesuai value inputan user
                {
                    a += "*";//store * ke variable a sesuai value inputan user

                }
                ii = i + 1;// agar i mulai dari 1
                richTextBox2.Text += "\n" + ii.ToString() + "\t" + arr[i] + "\t" + a;//print berkali kali ke richtextbox2

            }

        }

        private void Label1_Click(object sender, EventArgs e)
        {

        }

        private void TextBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void TextBox3_TextChanged(object sender, EventArgs e)
        {

        }
    }
}
---------------------------------------------------------------------------
namespace week6_4_2
{
    public partial class Form2 : Form
    {
        public int aa;
        public Form2()
        {
            InitializeComponent();
        }


        public void Label1_Click(object sender, EventArgs e)
        {
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            aa = int.Parse(textBox1.Text);//store input from textbox1 to a variable
            Close();//close inputbox after button ok pressed

        }
    }
}
---------------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace prak7_satu
{




    class Program
    {
        class Animal // base class
        {
            public string name;
            public int age;
            public float happiness;

            public void PrintBase()
            {
                Console.WriteLine("Name: " + name);
                Console.WriteLine("Age: " + age);
                Console.WriteLine("Happiness: " + happiness);
            }
        }
        class Dog : Animal // derived class
        {
            public int spotCount;
            public void Bark()
            {
                Console.WriteLine("WUF!");
                base.happiness += 0.1f;
            }
        }
        class Cat : Animal // derived class
        {
            public float cuteness;
            public void Meow()
            {
                Console.WriteLine("MEOW!");
            }
        }
        static void Main(string[] args)
        {
            Dog spotty = new Dog();//new object
            spotty.name = "Spotty";
            spotty.age = 4;
            spotty.happiness = 0.8f;
            spotty.spotCount = 25;
            spotty.PrintBase();
            spotty.Bark();
            Console.WriteLine("New Happiness: " + spotty.happiness);

            Console.WriteLine();

            Cat heisenberg = new Cat();//new object
            heisenberg.name = "Heisenberg";
            heisenberg.age = 13;
            heisenberg.happiness = 0.3f;
            heisenberg.cuteness = 0.4f;
            heisenberg.PrintBase();
            heisenberg.Meow();

            Console.ReadKey();
        }
    }
}
-------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace prak7_dua
{
    public partial class Form1 : Form
    {
        class Cmath//base class
        {
            public int Tambah(int a, int b)
            {
                return a + b;
            }
            public int Kurang(int a, int b)
            {
                return a - b;
            }
        }
        class Cmath2 : Cmath // derived class
        {
            public int kali(int a, int b)
            {
                return a * b;
            }
            public int bagi(int a, int b)
            {
                return a / b;
            }
        }
        public Form1()
        {
            InitializeComponent();
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            Cmath vCmath = new Cmath();
            int vhasil;
            vhasil = vCmath.Tambah(1, 2);
            MessageBox.Show(vhasil.ToString());
        }

        private void Button2_Click(object sender, EventArgs e)
        {
            Cmath2 vCmath2 = new Cmath2();
            int vhasil;
            vhasil = vCmath2.kali(1, 2);
            MessageBox.Show(vhasil.ToString());
        }
    }
}
-----------------------------------------------------------------------------
using System;
using System.Windows.Forms;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void buttonOk_Click(object sender, EventArgs e)
        {
            buttonOk.Enabled = false; // disable button OK
            buttonClear.Enabled = true; // enable button OK
            Pekerja pekerja; // inisialisasi variabel pekerja

            // jika upahtambahan kosong, maka pekerja
            if (string.IsNullOrEmpty(textUpahTambahan.Text))
            {
                // buat instance pekerja
                pekerja = new Pekerja();
                // set property
                pekerja.Nama = textNama.Text;
                pekerja.Alamat = textAlamat.Text;
                pekerja.TglLahir = dateTimePickerTglLahir.Value.Date;
                pekerja.JamKerja = Convert.ToDouble(textJamKerja.Text);
                pekerja.UpahPerJam = Convert.ToDouble(textUpahPerJam.Text);
                // isi textupahditerima dengan upahjamkerja
                textUpahDiterima.Text = formatNumber(pekerja.UpahJamKerja);
            } else // jika tidak, maka pekerjatetap
            {
                // buat instance pekerjatetap
                pekerja = new PekerjaTetap();
                // set property
                pekerja.Nama = textNama.Text;
                pekerja.Alamat = textAlamat.Text;
                pekerja.TglLahir = dateTimePickerTglLahir.Value.Date;
                pekerja.JamKerja = Convert.ToDouble(textJamKerja.Text);
                pekerja.UpahPerJam = Convert.ToDouble(textUpahPerJam.Text);
                (pekerja as PekerjaTetap).UpahTambahan = Convert.ToDouble(textUpahTambahan.Text);
                // isi textupahditerima dengan upahditerima
                textUpahDiterima.Text = formatNumber((pekerja as PekerjaTetap).UpahDiterima);
            }

            // isi textumur dengan umur pekerja
            textUmur.Text = pekerja.Umur.ToString();
        }

        private void buttonClear_Click(object sender, EventArgs e)
        {
            // disable button clear
            buttonClear.Enabled = false;
            // enable button OK
            buttonOk.Enabled = true;

            // kosongkan semua input
            textNama.Clear();
            textNamaLengkap.Clear();
            textNamaPanggilan.Clear();
            textAlamat.Clear();
            dateTimePickerTglLahir.ResetText();
            textJamKerja.Clear();
            textUpahPerJam.Clear();
            textUpahTambahan.Clear();
            textUpahDiterima.Clear();
            textUmur.Clear();
        }

        private string formatNumber(double number)
        {
            // format angka menjadi currency
            return number.ToString("Rp#,##0");
        }
    }
}
--------------------------------------------------------------------------
using System;

namespace WindowsFormsApplication2
{
    class Karyawan
    {
        public string Nama { get; set; } // property string nama
        public string Alamat { get; set; } // property string alamat
        public DateTime TglLahir { get; set; } // property datetime tgllahir

        // property umur
        public int Umur
        {
            get
            {
                // Hari ini
                DateTime today = DateTime.Today;
                // Hitung umur
                int age = today.Year - TglLahir.Year;
                // Jika tanggal hari ini belum melewati ulang tahunnya, maka umur - 1
                if (today.DayOfYear < TglLahir.DayOfYear)
                    age = age - 1;

                return age;
            }
        }
    }
}
-----------------------------------------------------
namespace WindowsFormsApplication2
{
    class Pekerja : Karyawan
    {
        public double JamKerja { get; set; } // property double jamkerja
        public double UpahPerJam { get; set; } // property double upahperjam

        public double UpahJamKerja // property double upahjamkerja
        {
            get
            {
                // upahjamkerja = jamkerja * upahperjam
                return JamKerja * UpahPerJam;
            }
        }
    }
}
---------------------------------------------------------
namespace WindowsFormsApplication2
{
    class PekerjaTetap : Pekerja
    {
        public double UpahTambahan { get; set; } // property double upahtambahan

        public double UpahDiterima // property double upahditerima
        {
            get
            {
                // upahditerima = upahjamkerja + upahtambahan
                return UpahJamKerja + UpahTambahan;
            }
        }
    }
}