public void diskonPlasJanuari(){
Console.WriteLine("Diskon harga 50%.");
static void devIdentity(){
Console.WriteLine("===================================");
Console.WriteLine(" Aplikasiku oleh deanur ");
Console.WriteLine("===================================");
static void Main(string[] args)
Barang minuman = new Barang();
Barang sabun = new Barang();
mainan boneka = new mainan();
plastik gelas = new plastik();
Console.WriteLine("Masukkan nama minuman :");
minuman.nama = Console.ReadLine();
Console.WriteLine("Masukkan merk minuman :");
minuman.merk = Console.ReadLine();
Console.WriteLine("Masukkan jenis minuman :");
minuman.jenis = Console.ReadLine();
Console.WriteLine("Masukkan netto minuman :");
minuman.netto = double.Parse(Console.ReadLine());
Console.WriteLine("Masukkan kadaluarsa minuman :");
minuman.kadaluarsa = Console.ReadLine();
Console.WriteLine("Masukkan nama sabun :");
sabun.nama = Console.ReadLine();
Console.WriteLine("Masukkan merk sabun :");
sabun.merk = Console.ReadLine();
Console.WriteLine("Masukkan jenis sabun :");
sabun.jenis = Console.ReadLine();
Console.WriteLine("Masukkan netto sabun :");
sabun.netto = double.Parse(Console.ReadLine());
Console.WriteLine("Nasukkan kadaluarsa minuman :");
sabun.kadaluarsa = Console.ReadLine();
Console.WriteLine("Masukkan nama buku :");
buku.nama = Console.ReadLine();
Console.WriteLine("Satuan :");
buku.satuan = Console.ReadLine();
Console.WriteLine("harga buku :");
buku.harga = double.Parse(Console.ReadLine());
Console.WriteLine("Masukkan nama mainan :");
mainan.nama = Console.ReadLine();
Console.WriteLine("Satuan");
mainan.satuan = Console.ReadLine();
Console.WriteLine("Harga mainan :");
mainan.harga = double.Parse(Console.ReadLine());
Console.WriteLine("Masukkan nama plastik :");
plastik.nama = Console.ReadLine();
Console.WriteLine("Jenis :");
plastik.jenis = Console.ReadLine();
Console.WriteLine(" Ukuran plastik :");
plastik.ukuran = double.Parse(Console.ReadLine());
Console.WriteLine("Satuan :");
platik.satuan = Console.ReadLine();
Console.WriteLine(" Harga plastik :");
plastik.harga = double.Parse(Console.ReadLine());
minuman.nama = "jus buah";
minuman.merk = "buavita";
minuman.kadaluarsa = "4 Agustus 2030";
sabun.nama = "sabun mandi";
sabun.kadaluarsa = "6 Januari 2035";
Console.WriteLine("==============================");
Console.WriteLine("minuman");
Console.WriteLine("nama : " + minuman);
Console.WriteLine("merk : " + minuman);
Console.WriteLine("jenis : " + minuman);
Console.WriteLine("netto : " + minuman);
Console.WriteLine("kadaluarsa: " + minuman);
Console.WriteLine("==============================");
Console.WriteLine("==============================");
Console.WriteLine("sabun");
Console.WriteLine("nama : " + sabun);
Console.WriteLine("merk : " + sabun);
Console.WriteLine("jenis : " + sabun);
Console.WriteLine("netto : " + sabun);
Console.WriteLine("kadaluarsa : " + sabun);
Console.WriteLine("==============================");
Console.WriteLine("===============================");
Console.WriteLine("buku");
Console.WriteLine("nama : " +buku.nama);
Console.WriteLine("satuan : " +buku.satuan);
Console.WriteLine("harga : " +buku.harga);
Console.WriteLine("===============================");
Console.WriteLine("===============================");
Console.WriteLine("mainan");
Console.WriteLine("nama : " + mainan.nama);
Console.WriteLine("satuan : " + mainan.satuan);
Console.WriteLine("harga : " + mainan.harga);
Console.WriteLine("==============================");
Console.WriteLine("==============================");
Console.WritrLine("plastik");
Console.WriteLine(" nama : " + plastik.nama);
Console.WriteLine(" jenis : " + plastik.jenis);
Console.WriteLine(" ukuran : " + plastik.ukuran);
Console.WriteLine(" satuan : " + plastik.satuan);
Console.WriteLine(" harga : " + plastik.harga);
Console.WriteLine("===============================");