Bicycle.java

public class Bicycle extends Vehicle {

    private String ownerName;
    private int numWheels;

    public Bicycle() {}

    public Bicycle(String name) {
        ownerName = name;
        numWheels = 2;
    }

    public String getOwnerName() {
        return this.ownerName;
    }

    public int getNumWheels() {
        return this.numWheels;
    }
}