Bahasa Pemrograman 2 - Class Container
Nama : Lina Wardani
NPM : 21082010116
Kelas : Par C
Main Class
package pkgClassContainer;
//Budi membeli sate dan soto
//class : pembeli, makanan, transaksi(nota/kwitansi)
import java.util.Scanner;
public class appWarung {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int pilih=0;
cPembeli pbl = new cPembeli();
cMakanan menu[]=new cMakanan[5];
menu[0]=new cMakanan("Sate",15000);
menu[1]=new cMakanan("Gule",20000);
menu[2]=new cMakanan("Soto",12000);
menu[3]=new cMakanan("Bakso",10000);
menu[4]=new cMakanan("Pecel",8000);
do{
System.out.println("\n---APP WARUNG---");
System.out.println("1.Pembeli");
System.out.println("2.Makanan");
System.out.println("3.Transaksi");
System.out.println("4.Selesai");
System.out.print("Pilih = ");
pilih=sc.nextInt();
switch(pilih){
case 1:
System.out.print("Nama pembeli = ");
String nm = sc.next();
pbl.setNama(nm);
System.out.println("Isi pembeli sukses..");
break;
case 2:
System.out.println("");
System.out.println("Daftar Menu");
for (int i = 0; i < menu.length; i++) {
System.out.println((i+1)+"."+menu[i].ToString());
}
break;
case 3:
cTransaksi beli = new cTransaksi();
int pilih2=0;
do{
System.out.println("\n Menu Transaksi");
System.out.println(" 1.Isi pembeli");
System.out.println(" 2.Tambah makanan");
System.out.println(" 3.Lihat makanan");
System.out.println(" 4.Hapus makanan");
System.out.println(" 5.Selesai");
System.out.print(" Pilih = ");
pilih2 = sc.nextInt();
switch(pilih2){
case 1:
beli.isiPembeli(pbl);
break;
case 2:
System.out.print(" Nama makanan = ");
String n = sc.next();
boolean ada=false;
for (int i = 0; i < menu.length; i++) {
if(n.equalsIgnoreCase(menu[i].getNama())){
ada=true;
beli.tambahMakanan(menu[i]);
break;
}
}
if(ada==false){
System.out.println(" Menu tidak ada!");
}
break;
case 3:
beli.lihatMakanan();
break;
case 4:
System.out.print(" Makanan dihapus = ");
String h = sc.next();
beli.hapusMakanan(h);
break;
case 5:
System.out.println(" Kembali..");
break;
}
}while(pilih2!=5);
break;
case 4:
System.out.println("Terima Kaisih...");
break;
}
}while(pilih!=4);
}
}
Class Makanan
package pkgClassContainer;
public class cMakanan {
private String nama;
private int harga;
cMakanan(String n, int h){
nama=n; harga=h;
System.out.println("Objek"+nama+"dibuat...");
}
public void setHarga(int h){
harga=h;
}
public String getNama(){
return nama;
}
public String ToString(){
return "Makanan"+nama+"["+harga+"]";
}
}
Class Pembeli
package pkgClassContainer;
public class cPembeli {
private String nama;
cPembeli(){
nama="";
System.out.println("Objek pembeli dibuat...");
}
cPembeli(String n){
nama=n;
System.out.println("Objek" +nama+"dibuat...");
}
public void setNama(String n){
nama=n;
}
public String getNama(){
return nama;
}
public String ToString(){
return"Pembeli :" +nama;
}
}
Class Transaksi
package pkgClassContainer;
//satu pembeli banyak makanan
public class cTransaksi {
private cPembeli pembeli;
private cMakanan makanan[]; //array of object
private int jmkn,maksmkn,total;
cTransaksi(){
maksmkn=3;
makanan=new cMakanan[maksmkn];
jmkn=0; total=0;
System.out.println("Pbjek transaksi dibuat..");
}
public void isiPembeli(cPembeli p){
pembeli=p;
System.out.println("isi pembeli sukses...");
}
public void tambahMakanan(cMakanan m){
if(jmkn>maksmkn){
System.out.println("kapasitas penuh!");
}
else{
makanan[jmkn]=m;
jmkn++;
System.out.println("penambahan sukses...");
}
}
public void lihatMakanan(){
System.out.println("");
System.out.println("Daftar Makanan");
if(pembeli!=null)
System.out.println("pembeli.ToString()");
else
System.out.println("pembeli belum ada!");
for (int i = 0; i < jmkn; i++) {
System.out.println(" "+(i+1)+"."+makanan[i].ToString());
}
}
public void hapusMakanan(String m){
if(jmkn<=0){
System.out.println("Makanan Kosong!");
}
else{
boolean ada=false;
for (int i = 0; i < jmkn; i++){
if (m.equalsIgnoreCase(makanan[i].getNama())){
ada=true;
makanan[i]=null;
for (int j = i; j < jmkn; j++){
if (i==jmkn-1){
makanan[i]=null;
}else{
makanan[j]=makanan[j+1];
}
}
System.out.println("Peghapusan Sukses!");
jmkn--;
break;
}
}
if(ada==false){
System.out.println("Makanan tidak ada!");
}
}
}
}
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