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57 lines
2.0 KiB
57 lines
2.0 KiB
1 year ago
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## AdventureSorcerer
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### Instructions
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We will now implement our first interface through a new class : `Sorcerer` in a file named `Sorcerer.java`.
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This class implements the `Healer` interface and inherits from `Character`. It has a new attribute : an integer `healCapacity`.
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It has a constructor with three parameters :
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* `name`,
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* `maxHealth`
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* `healCapacity`
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From the `Healer` interface :
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* `getHealCapacity` returns the property `healCapacity`
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* `heal` add `healCapacity` to the currentHealth of the `Character` in parameter. Beware that the `currentHealth` can't be greater the `maxHealth`. You may need to change the accessibility of the `currentHealth` param in the `Character` to be able to update the value.
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You will override the `toString` method with the following format : `<name> is a sorcerer with <currentHealth> HP. It can heal <healCapacity> HP.`
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If it's `currentHeal` is equal to 0, the format is `<name> is a dead sorcerer. So bad, it could heal <healCapacity> HP.`
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### Usage
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Here is a possible ExerciseRunner.java to test your function :
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```java
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public class ExerciseRunner {
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public static void main(String[] args) {
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Sorcerer gandalf = new Sorcerer("Gandalf", 20, 5);
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Character frodon = new Character("Frodon", 20);
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Sorcerer saroumane = new Sorcerer("saroumane", 10, 3);
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Character.fight(frodon, saroumane);
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gandalf.heal(frodon);
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System.out.println(Character.printStatus());
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}
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}
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```
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and its output :
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```shell
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$ javac *.java -d build
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$ java -cp build ExerciseRunner
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------------------------------------------
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Characters currently fighting :
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- Gandalf is a sorcerer with 20 HP. It can heal 5 HP.
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- Frodon : 16/20
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- Saroumane is a dead sorcerer. So bad, it could heal 3 HP.
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------------------------------------------
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$
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```
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### Notions
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[Implementation](https://docs.oracle.com/javase/tutorial/java/IandI/usinginterface.html)
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[Inheritance](https://docs.oracle.com/javase/tutorial/java/IandI/subclasses.html)
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