Perulangan Tunggal
public class NewClass { public static void main(String[] args) { NumberFormat hrg = NumberFormat.getInstance(); hrg.setMaximumFractionDigits(3); Scanner sc = new Scanner(System.in); int pilih, pilih2, jmlhmakanan, jmlhminum, kartu; double totalhargasate=0,totalhargapecel=0, totalhargapenyetan=0, hrgdiskon, uangpembeli, kembalian, nominaldiskon, totalhrg, totalhargateh=0, totalhargasusu=0, totalhargaair=0, totalhargapop=0; do{ System.out.println("\nWarung Simpel"); System.out.println("Menu Makanan"); System.out....