ok

pom.xml

@@ -0,0 +1,86 @@
+<?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>org.example</groupId>
+    <artifactId>Automata_Demo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+
+</project>

src/main/java/Automata.java

@@ -0,0 +1,122 @@
+public class Automata {
+    private enum My_States {ON, WAIT, ACCEPT, CHECK, COOK, OFF};
+    private My_States States;
+    private int cash;
+    private String[] Menuout = new String[]{"Black Tea", "Latte", "Cappuccino", "Glace", "Green Tea",
+            "Hot chocolate", "Espresso"};
+    private int[] prices = new int[]{30, 45, 50, 60, 30, 40, 35};
+    private long Timer = 0;
+
+    public String getMenu() {
+        String Out = "<---------MENU---------->\n";
+        for (int i = 0; i < Menuout.length; i++) {
+            int u = i + 1;
+            Out = Out + "\\ " + u + " | " + Menuout[i] + "  | " + prices[i] + " /" + "\n";
+        }
+        Out = Out + "___________End___________\n";
+        return Out;
+    }
+
+    public String On() {
+        if (States != My_States.COOK) {
+            States = My_States.WAIT;
+        }
+        return "CoffeeMaker on";
+    }
+
+    private void Cook(int choice) {
+        States = States.COOK;
+        Timer = System.currentTimeMillis();
+    }
+
+    public String Finish() {
+        if (States == States.OFF) {
+            return "CoffeeMaker off";
+        }
+        if ((System.currentTimeMillis() - Timer) > 5000) {
+            States = States.WAIT;
+            return "Your drink is ready, bro";
+        } else {
+            return "Your drink is cooking, wait, bro";
+        }
+    }
+
+    public boolean Check(int choice) {
+        if (prices[choice - 1] > cash) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    public String getState() { // - отображение текущего состояния для пользователя;
+        return String.valueOf(States);
+    }
+
+    public String Choice(int choice) {
+        if (States == States.OFF) {
+            return "CoffeeMaker off";
+        }
+        if (choice <= 0 || choice > Menuout.length) {
+            return "This drink was not find, select another.";
+        } else {
+            States = States.CHECK;
+            if (!Check(choice)) {
+                States = States.ACCEPT;
+                return "Not enough cash, man, add yet " + (prices[choice - 1] - cash);
+            } else {
+                cash = cash - prices[choice - 1];
+                Cook(choice);
+                return "I understood and make for you " + Menuout[choice - 1];
+            }
+        }
+    }
+
+    public String off() {
+        if (States == States.WAIT && cash == 0){
+            States = States.OFF;
+            return "CoffeeMaker off";
+        }
+        else if (States == States.WAIT && cash > 0){
+            return "Before off, give your cash or choose drink, man.";
+        }
+        else{
+            return "Wait, I am busy.";
+        }
+    }
+
+    public String coin(int money) {
+        if (States == States.OFF){
+            return "CoffeeMaker off";
+        }
+        States = States.ACCEPT;
+        if (money <= 0){
+            return "What is this? Try again.";
+        }
+        cash = cash + money;
+        cancel();
+        return "I have "+cash+" coins.";
+    }
+
+    public void cancel(){
+        States = States.WAIT;
+    }
+
+    public int getCoin(){
+        return cash;
+    }
+
+    public String moneyBack(){
+        if (States == States.OFF){
+            return "CoffeeMaker off";
+        }
+        if (cash==0){
+            return "I don't have your coins";
+        }
+        else {
+            String text = "Give your payback " + cash;
+            cash = 0;
+            return text;
+        }
+    }
+}

src/main/java/Automata_Demo.java

@@ -0,0 +1,24 @@
+import java.awt.*;
+
+public class Automata_Demo {
+    public static void main (String[] args) throws InterruptedException {
+        Automata work = new Automata();
+        System.out.println("Hello, my hungry friend!");
+        System.out.println(work.On());
+        System.out.println(work.getMenu());
+        System.out.println(work.Choice(0));
+        System.out.println(work.coin(15));
+        System.out.println(work.Choice(3));
+        System.out.println(work.coin(50));
+        System.out.println(work.Choice(3));
+        System.out.println(work.Finish());
+        Thread.sleep(6000);
+        System.out.println(work.Finish());
+        System.out.println(work.off());
+        System.out.println(work.moneyBack());
+        System.out.println(work.off());
+        System.out.println(work.getState());
+
+
+    }
+}

src/test/java/Automata_test.java

@@ -0,0 +1,50 @@
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class Automata_test {
+
+    Automata Test = new Automata();
+
+    @Test
+    public void on() {
+        Test.On();
+        assertEquals("WAIT",Test.getState());
+    }
+
+    @Test
+    public void off() {
+        Test.On();
+        Test.coin(40);
+        Test.off();
+        assertEquals("WAIT",Test.getState());
+        Test.moneyBack();
+        Test.off();
+        assertEquals("OFF",Test.getState());
+    }
+
+    @Test
+    public void coin() {
+        Test.On();
+        assertEquals("What is this? Try again.",Test.coin(0));
+        Test.coin(50);
+        assertEquals(50,Test.getCoin());
+    }
+
+    @Test
+    public void moneyBack() {
+        Test.On();
+        assertEquals("I don't have your coins",Test.moneyBack());
+        Test.coin(50);
+        Test.moneyBack();
+        assertEquals(0,Test.getCoin());
+    }
+
+    @Test
+    public void choice() {
+        Test.On();
+        Test.coin(50);
+        Test.Choice(1);
+        assertEquals("COOK", Test.getState());
+    }
+}