Change/Change.java at main · MinaLe711/Change · GitHub

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/**
 * This is a class representing a pocketful of
 *
 * My Tu Le
 * 19 February, 2026
 */
public class Change
{
    //properties
    private int quarters;
    private int dimes;
    private int nickles;
    private int pennies;

    //constructor
    public Change(int q, int d, int n, int p)
    {
        this.quarters = q;
        this.dimes = d;
        this.nickles = n;
        this.pennies = p;
    }

    //accessors - get value of coin
    // getQuarters() — returns the quarters int
    public int getQuarters()
    {
        return quarters;
    }

    // getDimes() — returns the dimes int
    public int getDimes()
    {
        return dimes;
    }

    // getNickles() — returns the nickles int
    public int getNickles()
    {
        return nickles;
    }

    // getPennies() — returns the pennies int
    public int getPennies()
    {
        return pennies;
    }

    //mutators
    // setQuarters(int quarters) — updates the quarters field
    public boolean setQuarters(int quarters)
    {
        if (quarters >= 0)
        {
            this.quarters = quarters;
            return true;
        }
        else
            return false;
    }

    // setDimes(int dimes) — updates the dimes field
    public boolean setDimes(int dimes)
    {
        if (dimes >= 0)
        {
            this.dimes = dimes;
            return true;
        }
        else
            return false;
    }

    // setNickles(int nickles) — updates the nickles field
    public boolean setNickles(int nickles)
    {
        if (nickles >= 0)
        {
            this.nickles = nickles;
            return true;
        }
        else
            return false;
    }

    // setPennies(int pennies) — updates the pennies field
    public boolean setPennies(int pennies)
    {
        if (pennies >= 0)
        {
            this.pennies = pennies;
            return true;
        }
        else
            return false;
    }

    //calcTotal() - to calculate the total and change it to how much Dollar
    public double calcTotal()
    {
        double total = ((quarters*0.25)+(dimes*0.10)+(nickles*0.05)+pennies*0.01);

        return total;
    }

    //toString() - change the number total to String
    public String toString()
    {
        return "# of Quarters: " + quarters + "\n"
             + "# of Dimes: " + dimes + "\n"
             + "# of Nickels: " + nickles + "\n"
             + "# of Pennies: " + pennies + "\n"
             + String.format("Total: $%.2f", calcTotal());
    }

    //equals()
    public boolean equals (Change otherChange)
    {
        return ((this.quarters == otherChange.quarters) &&
                (this.dimes == otherChange.dimes) &&
                (this.nickles == otherChange.nickles) &&
                (this.pennies == otherChange.pennies));
    }
}

/**Notes:
 * create type - variable
 * recall
 * get & change
 * set the value
 * cal
 * change type to String -> fit prompt
 */