Create a class Animal with a constructor that takes no parameters and has an instance variable: private int energy; When an animal is "born," it has one unit of energy. It has the methods: public void eat(int amountToEat) - which increases the amount of energy the animal has by amountToEat public void
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Create a class Animal with a constructor that takes no parameters and has an instance variable:
private int energy;
When an animal is "born," it has one unit of energy. It has the methods:
- public void eat(int amountToEat) - which increases the amount of energy the animal has by amountToEat
- public void move(int amountToMove) - which decreases the energy the animal has by amountToMove.
- public int getEnergy() - which returns the amount of energy left
Notice there is no setEnergy method. Energy is only changed by eating or moving.
You should also create a subclass BetterAnimal which has a cap on the amount of energy an animal can have.
- The constructor takes a parameter that specifies a maximum for energy. You will need to save this in another instance variable.
Override the eat and move methods
- In the eat method: If the amount the BetterAnimal eats would set its energy above the max, the energy level is only increased to the max. Also energy is only changed if the amount > 0
- In the move method: Energy changes only if amount > 0. The energy can never be less than 0. If an BetterAnimal has an energy of 2 and tries to move 5, its energy will be 0.
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