Question

THIS IS MY CODE ALL I NEED IS THE SECTIONS TO BE FILLED IN AND CODE SHOULD RUN.

FILL IN THE CODE PLEASE.

package p02;

import static java.lang.System.*;
import java.io.*;
import java.util.*;

public class P02 {
  
public static Vector<Double> wallet=new Vector<Double>();
  
public static void addMoneyToWallet(){
  
}
  
public static void removeMoneyFromWallet(){
  
}
  
public static void displayMoneyInWallet(){
  
}
  
public static void emptyWallet(){
  
}
  
public static void main(String[] args){
int choice=0;
String menu="Wallet Application:\n\n" +
"1) Add Money to Wallet\n" +
"2) Remove Money from Wallet\n" +
"3) Display Money in Wallet\n" +
"4) Empty Wallet\n" +
"5) Exit\n" +   
"Please enter a selection->";
do {
choice=HelperClass.getIntegerInput(menu);
switch(choice){
case 1:
addMoneyToWallet();
break;
case 2:
removeMoneyFromWallet();
break;
case 3:
displayMoneyInWallet();
break;
case 4:
emptyWallet();
break;
case 5:
out.println("Okay, goodbye!!!");
break;
default:
out.println("That is not a valid choice.../nPlease try again!!!\n\n");
break;
}
}while(choice!=5);   
}
  
}

Answer 1

import static java.lang.System.out;

import java.util.Scanner;
import java.util.Vector;

public class P02 {

   public static Vector<Double> wallet = new Vector<Double>();
   static Scanner sc = new Scanner(System.in);
   public static void addMoneyToWallet() {
       // reading and adding money to wallet
       System.out.println("Enter money to add into wallet");
       Double m=sc.nextDouble();
       wallet.addElement(m);
   }

   public static void removeMoneyFromWallet() {
       // reading and removing money from wallet
       System.out.println("Enter money to remove from wallet");
       Double m=sc.nextDouble();
       wallet.removeElement(m);
   }

   public static void displayMoneyInWallet() {
       // displaying the money from wallet
       System.out.println(wallet);
   }

   public static void emptyWallet() {
       // Clearing the wallet
       wallet.clear();
   }

   public static void main(String[] args) {
       int choice = 0;
       String menu = "Wallet Application:\n\n" + "1) Add Money to Wallet\n" + "2) Remove Money from Wallet\n"
               + "3) Display Money in Wallet\n" + "4) Empty Wallet\n" + "5) Exit\n" + "Please enter a selection->";
       do {
           choice = HelperClass.getIntegerInput(menu);
           switch (choice) {
           case 1:
               addMoneyToWallet();
               break;
           case 2:
               removeMoneyFromWallet();
               break;
           case 3:
               displayMoneyInWallet();
               break;
           case 4:
               emptyWallet();
               break;
           case 5:
               out.println("Okay, goodbye!!!");
               break;
           default:
               out.println("That is not a valid choice.../nPlease try again!!!\n\n");
               break;
           }
       } while (choice != 5);
   }

}