Lesson7

lesson2/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>ru.gb.savilin</groupId>
+    <artifactId>lesson2</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+    </properties>
+
+</project>

lesson2/src/main/java/Animal.java

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+package main.java;
+
+public abstract class Animal {
+
+    RunBehavior runBehavior;
+    SwimBehavior swimBehavior;
+    int appetite;
+    String name;
+    boolean satiety;
+
+    public void performSwim(){
+        swimBehavior.swim();
+    }
+
+    public void performRun(int distance){
+        runBehavior.run(distance);
+    }
+
+    public void setSatiety(boolean satiety){
+        this.satiety = satiety;
+    }
+}

lesson2/src/main/java/AnimalManager.java

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+package main.java;
+
+import main.java.Cat;
+import main.java.Dog;
+
+public class AnimalManager {
+
+    public static void getAllDogs(){
+        System.out.println(Dog.getAllDogs());
+    }
+
+    public static void getAllCats(){
+        System.out.println(Cat.getAllCats());
+    }
+
+    public static void getAllAnimals(){
+        System.out.println(Dog.getAllDogs() + Cat.getAllCats());
+    }
+}

lesson2/src/main/java/Cat.java

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+package main.java;
+
+public class Cat extends Animal{
+    private static int counter = 0;
+    private int appetite;
+    private boolean satiety;
+
+    public Cat(String name, int appetite){
+     swimBehavior = new SwimNoWay();
+     runBehavior = new CatRunning();
+     this.name = name;
+     this.appetite = appetite;
+     this.satiety = false;
+     counter ++;
+     this.appetite = appetite;
+     satiety = false;
+ }
+
+ public void eat(Plate p){
+     if (p.getFood()<appetite){
+         System.out.println("eat not enough");
+     }else {
+         p.decreaseFood(appetite);
+         satiety = true;
+     }
+ }
+
+ public boolean isSatiety(){
+     return satiety;
+ }
+
+ public static int getAllCats(){
+     return counter;
+ }
+}

lesson2/src/main/java/CatRunning.java

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+package main.java;
+
+class CatRunning implements RunBehavior{
+
+    @Override
+    public void run(int distance) {
+        if (distance<=200){
+            System.out.println("i'm running on " + distance + " meters");
+        }else{
+            System.out.println("i can't running on this distance");
+        }
+    }
+}

lesson2/src/main/java/Dog.java

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+package main.java;
+
+public class Dog extends Animal{
+    private static int counter = 0;
+
+    public Dog(){
+        swimBehavior = new Swim();
+        runBehavior = new DogRunning();
+        counter ++;
+    }
+
+    public static int getAllDogs(){
+        return counter;
+    }
+}

lesson2/src/main/java/DogRunning.java

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+package main.java;
+
+public class DogRunning implements RunBehavior{
+    @Override
+    public void run(int distance) {
+        if (distance<=500){
+            System.out.println("i'm running on " + distance + " meters");
+        }else{
+            System.out.println("i can't eun on this distance");
+        }
+    }
+}

lesson2/src/main/java/Main.java

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+package main.java;
+
+public class Main {
+
+    public static void main(String[] args) {
+        Plate plate = new Plate(100);
+        Cat[] cats = new Cat[]{new Cat("Murzik",20),
+                                new Cat("Stepa",10),
+                                new Cat("Ezhi",500),};
+
+        for (int i = 0; i < cats.length; i++) {
+            cats[i].eat(plate);
+            System.out.println(cats[i].name + " " + cats[i].isSatiety());
+        }
+    }
+}

lesson2/src/main/java/Plate.java

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+package main.java;
+
+public class Plate {
+    private int food;
+
+    Plate(int food){
+        this.food = food;
+    }
+
+    public boolean decreaseFood(int n) {
+        if (food >= n) {
+            food -= n;
+            return true;
+        } else {
+            System.out.println("not enough food");
+        }
+        return false;
+    }
+
+    public int getFood() {
+        return food;
+    }
+
+    public void info(){
+        System.out.println("plate: " + food);
+    }
+
+    public void addFood(int food){
+        this.food += food;
+    }
+}

lesson2/src/main/java/RunBehavior.java

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+package main.java;
+
+public interface RunBehavior {
+    public void run(int distance);
+}

lesson2/src/main/java/Swim.java

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+package main.java;
+
+public class Swim implements SwimBehavior{
+
+    public void swim(){
+        System.out.println("i'm swimming");
+    }
+}

lesson2/src/main/java/SwimBehavior.java

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+package main.java;
+
+public interface SwimBehavior {
+    public void swim();
+}

lesson2/src/main/java/SwimNoWay.java

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+package main.java;
+
+public class SwimNoWay implements SwimBehavior{
+    public void swim(){
+        System.out.println("i can't swim");
+    }
+}