array list menú
Publicado por andre (15 intervenciones) el 17/06/2021 20:56:09
tengo este código necesito que cada método agregue un producto y la cantidad , elimine, muestre y ordene productos del arraylist
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public class ShoppingList1 {public static void main(String[] args) {
// Initialize variablesScanner sIn = new Scanner(System.in); // Input Scanner for String
ArrayList<String> shoppingList = new ArrayList<String>(); // ArrayList for shoppingList
String choice; // Holds user input of type Stringboolean done = false; // Keeps program running until user wants to quit
// Keep running the program until the user quits do { // Print out the menu to the consoleSystem.out.println();
System.out.println("1. agregar productos");
System.out.println("2. eliminar productos");
System.out.println("3. mostrar productos");
System.out.println("4. ordenar productos");
System.out.println("5. Exit");
System.out.print("ingrese opcion ");
choice = sIn.nextLine();
// Call the appropriate method for the choice selected.switch (choice) {
case "1": // Add items to the Shopping List
System.out.println(addItems(sIn, shoppingList) + " productos se han agregado a la lista .");
break;
case "2": // Delete items from the Shopping List
System.out.println(deleteItems(sIn, shoppingList) + " productos se han eliminado de la lista .");
break;
case "3": // Show the items in the Shopping List
showItems(shoppingList);
break;
case "4": // Sort the items in the Shopping List
sortItems(shoppingList);
break;
case "5": // Exit the program
System.out.println();
System.out.println("Goodbye");
done = true;break;
default: // Handles all input that is not between 1-5
System.out.println("Invalido ingrese opciond e menu u (1-5).");
} // End of switch (choice)
} while (!done); // Keep running the program until the user quits
sIn.close();
}// end of main()
public static int addItems(Scanner sIn, ArrayList<String> shoppingList) {
// FIXME: implement the methodsIn = new Scanner(System.in);
boolean continuar = true;while(continuar) {
System.out.println("Agrege un articulo a la lista y la cantidad o simplemente presione Enter para finalizar ");
String sn = sIn.nextLine();
if (sn.isBlank())
continuar = false; else {shoppingList.add((sn));
} }return 0;
}// end of method addItems(ArrayList<String>)
public static int deleteItems(Scanner sIn, ArrayList<String> shoppingList) {
// FIXME: implement the methodreturn 0;
}// end of method deleteItems(ArrayList<String>)
public static void showItems(ArrayList<String> shoppingList) {
// FIXME: implement the method}// end of method showItems(ArrayList<String>)
public static void sortItems(ArrayList<String> shoppingList) {
// FIXME: implement the method}// end of method sortItems(ArrayList<String>)
}//
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