Question

I am stumped on a piece of code in Java. We are making a coin counter like one of those kiosks but it has to be formatted properly. For example, if it asked me to put in my coins, it wants it as:

penny for 1 penny
pennies for more than 1 penny
otherwise it must display "invalid input" if we input 3 penny instead of 3 pennies

then the final output after everything is set up solved , it wants
1 Twenty or 2 Twenties (depending on return amount)
1 Ten or 2 Tens
etc.

the goal is to make a basic coin intake machine except the input is by the user.
it wants it in the format of

if theres more than one coin( 15 quarters), it has to be plural or there will be an error.

if it's just one coin(1 penny) it has to be singular or you get an error.

I dont know the syntax for it to split the number and the word up is the issue

Answer 1

/***********************************CoinCounter.java*********************/

import java.util.Scanner;

public class CoinCounter {

   public static void main(String[] args) {

       Scanner scan = new Scanner(System.in);

       System.out.print("Enter money: ");
       String money = scan.nextLine();

       int coin = Integer.parseInt(money.split(" ")[0]);
       String value = money.split(" ")[1];

       if (coin == 1 && !value.endsWith("s")) {

           System.out.println("You have entered: " + coin + " " + value);
       } else if (coin > 1 && value.endsWith("s")) {

           System.out.println("You have entered: " + coin + " " + value);
       } else {

           System.out.println("Invalid input!");
       }
      
       scan.close();
   }
}

/***********************output*************************/

Enter money: 2 pennies
You have entered: 2 pennies

Enter money: 3 penny
Invalid input!

Please let me know if you have any doubt or modify the answer, Thanks :)