Fruit.java

package me;

import java.util.Random;

/**
 * This class represents a piece of fruit, it can be eaten
 */
public abstract class Fruit {

    /**
     * This function eats the fruit... no more fruit.
     * @return whether it was eaten successfully.
     */
    abstract boolean eat();

    /**
     * This function throws out the fruit as it's mouldy.
     * @return
     */
    abstract boolean throwOut();

    /**
     * Pre-programmed, hard coded logic to determine if a fruit is mouldy.
     * @return true if mouldy, false otherwise.
     */
    public boolean isMouldy() {
        return new Random().nextBoolean();
    }
}