Practical Coding in Java

//
// PiggyBank.java
//


public class PiggyBank
{
    public PiggyBank()  // note: constructor has no return type
    {
        total = 0;
    }

    public void addQuarter()
    {
        total += 25;
    }

    public void addDime()
    {
        total += 10;
    }

    public void addNickel()
    {
        total += 5;
    }

    public int getTotal()
    {
        return total;
    }

    private int total;
}

//
// PiggyBankTest.java
//


public class PiggyBankTest
{
    public static void main(String[] args)
    {
        // create (instantiate, construct) a new PiggyBank object
        PiggyBank bank = new PiggyBank();

        bank.addQuarter();
        bank.addQuarter();
        bank.addDime();
        bank.addDime();
        bank.addNickel();

        System.out.println("My total is:" + bank.getTotal());
        bank.addNickel();
        System.out.println("My total is:" + bank.getTotal());
    }
}