Implement in Java a class Coin that describes a coin with a name (e.g. dime) and

Question

Implement in Java a class Coin that describes a coin with a name (e.g. dime) and a value (e.g. 10 cents).

Also implement a class Wallet that describes a collection of coins. Supply a method add() to add a coin to a purse, and a method printContent() that prints out to standard output the contents of a purse in the following format:
coinName (coinValue): numberOfCoins

Example

penny (1 cent): 11
dime (10 cents): 3
nickel (5 cents): 2
euro (100 eurocents): 5
In order to test your Wallet class you'll also implement a class WalletTest whose main() method does the following:

Constructs an empty wallet
Prompts the user to enter the name of a coin (e.g. dime), or an empty string to quit
Prompts the user to enter the value of a coin (e.g. 10 cents)
Adds the coin to the wallet
Prints the contents of the wallet
Goes to the 2nd bullet point above

Explanation / Answer

//Coin class

public class Coin {
    private String coinName;
    private int coinValue;
    private int numberOfCoins;
    public Coin(String coinName, int coinValue, int numberOfCoins)
    {
        this.coinName=coinName;
        this.coinValue=coinValue;
        this.numberOfCoins=numberOfCoins;
    }

    /**
     * @return the coinName
     */
    public String getCoinName() {
        return coinName;
    }

    /**
     * @param coinName the coinName to set
     */
    public void setCoinName(String coinName) {
        this.coinName = coinName;
    }

    /**
     * @return the coinValue
     */
    public int getCoinValue() {
        return coinValue;
    }

    /**
     * @param coinValue the coinValue to set
     */
    public void setCoinValue(int coinValue) {
        this.coinValue = coinValue;
    }

    /**
     * @return the numberOfCoins
     */
    public int getNumberOfCoins() {
        return numberOfCoins;
    }

    /**
     * @param numberOfCoins the numberOfCoins to set
     */
    public void setNumberOfCoins(int numberOfCoins) {
        this.numberOfCoins = numberOfCoins;
    }
   
   
}

//Wallet class

import java.util.ArrayList;
import java.util.List;

public class Wallet {
    List<Coin> coinsList = new ArrayList<Coin>();
    public void add(Coin co)
    {
        coinsList.add(co);
    }
    public void printContent()
    {
        for(int i=0;i<coinsList.size();i++)
        {
            System.out.println(coinsList.get(i).getCoinName()+"("+ coinsList.get(i).getCoinValue() +"):"+coinsList.get(i).getNumberOfCoins());
        }
    }
}

//WalletTest class

import java.util.Scanner;

public class WalletTest {

public static void main(String args[])
{
Wallet wallt=new Wallet();
Scanner sin=new Scanner(System.in);
String name=null;
int value=0;
int numOfCoin=0;
while(true)
{
System.out.println("enter the name of a coin (e.g. dime), or an empty string to quit");

name=sin.nextLine();
if(name.isEmpty())
{
break;
}
System.out.println("enter the value of a coin");
value=sin.nextInt();
System.out.println("enter number of coins");
numOfCoin=sin.nextInt();
wallt.add(new Coin(name, value, numOfCoin));
wallt.printContent();
}
}

}

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