I need help creating a UML chart for this given Java abstract airplane class code below:     public abstract class Airplane { private int numPassengers, numSeats, numStaff, price; private String name_record, model, color, type; private float speed, fuelCapacity;   public abstract String getModel(); public abstract String getColor(); public abstract String getType(); public abstract float getSpeed();   public boolean isSeatAvailable() { return this.numPassengers < this.numSeats ? true : false; }   public int numSeatAvailable() { return this.numSeats - this.numPassengers; }   public int calculatePrice(int noPassenger) { return this.price * noPassenger; }   public float calculateFuelCharge(float fuelPrice) { return this.fuelCapacity * fuelPrice; } }

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