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ItemAdmin.java
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ItemAdmin.java
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package demo;
import java.io.*;
import java.util.*;
public class ItemAdmin extends Item {
ItemAdmin(String ItemName, String ItemGroup, int Itemid, float ItemPrice) {
super(ItemName, ItemGroup, Itemid, ItemPrice);
}
static void ViewItem(int Itemid) throws IOException {
for (Item i : Item.ItemList) {
if (i.getItemid() == Itemid) {
System.out.println("\nid: " + i.getItemid() + "\nName: " + i.getItemName() + "\nGroup: "
+ i.getItemGroup() + "\nPrice: " + i.getItemPrice());
ItemAdmin.main(null);
} else {
System.out.println("Invalid id..No such Item");
}
}
}
static void AddItem() throws IOException {
System.out.println("Enter Item Name: ");
String Name = in.next();
System.out.println("Enter Item Group: ");
String Group = in.next();
System.out.println("Enter Item id: ");
int id = in.nextInt();
System.out.println("Enter Item Price: ");
float Price = in.nextFloat();
Item New = new Item(Name, Group, id, Price);
ItemList.add(New);
writeto();
System.out.print("Item added.");
ItemAdmin.main(null);
}
static void EditItem(int id) throws IOException {
for (Item i : ItemList) {
if (i.getItemid() == id) {
Item old = i;
System.out.println(toString(i));
System.out.println("1.Change price\n2.Back");
int choicei = in.nextInt();
switch (choicei) {
case 1:
System.out.println("Enter updated price: ");
float ItemPrice = in.nextFloat();
Item Newe = new Item(i.getItemName(), i.getItemGroup(), i.getItemid(), ItemPrice);
ItemList.add(Newe);
ItemList.remove(old);
System.out.println("Price changed successfully");
writeto();
break;
case 2:
ItemAdmin.main(null);
break;
default:
System.out.println("Invalid Option");
}
ItemAdmin.main(null);
} else {
System.out.println("No such Item");
}
}
}
public static void main(String[] args) throws IOException {
try {
ItemList.clear();
ObjectInputStream in = new ObjectInputStream(new FileInputStream(f));
while (true) {
ItemList.add((Item) in.readObject());
}
} catch (FileNotFoundException e) {
System.out.println("File Not Found");
} catch (IOException e) {
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
System.out.println("\n1.View all Items\n2.View selected item\n3.Edit Item\n4.Add Item\n5.Back");
int choosea2 = in.nextInt();
switch (choosea2) {
case 1:
ViewAll();
break;
case 2:
System.out.println("Enter id of item to be viewed");
int itemid = in.nextInt();
ItemAdmin.ViewItem(itemid);
break;
case 3:
System.out.println("Enter id of item to be edited");
int itemid2 = in.nextInt();
ItemAdmin.EditItem(itemid2);
break;
case 4:
ItemAdmin.AddItem();
break;
case 5:
Administrator.main(args);
break;
default:
System.out.println("Invalid Choice");
}
}
}