Частично изменил с перечислением

Trolleybus/CntOfDoors.java

@@ -0,0 +1,7 @@
+package Trolleybus;
+
+public enum CntOfDoors {
+    Three,
+    Four,
+    Five
+}

Trolleybus/DirectionType.java

@@ -0,0 +1,12 @@
+package Trolleybus;
+
+public enum DirectionType {
+    Up (1),
+    Down (2),
+    Right (3),
+    Left (4);
+    private int Direction;
+    DirectionType(int direction) {
+        Direction = direction;
+    }
+}

Trolleybus/DrawingDoors.java

@@ -0,0 +1,56 @@
+package Trolleybus;
+
+import java.awt.*;
+public class DrawingDoors {
+    private CntOfDoors _cntOfDoors;
+    public void SetCntOfDoors(int cnt) {
+        if (cnt <= 3) {
+            _cntOfDoors = CntOfDoors.Three;
+        }
+        if (cnt == 4) {
+            _cntOfDoors = CntOfDoors.Four;
+        }
+        if (cnt >= 5) {
+            _cntOfDoors = CntOfDoors.Five;
+        }
+    }
+
+    public void DrawDoors(Graphics2D g, Color BodyColor, int _startPosX, int _startPosY) {
+        switch (_cntOfDoors)
+        {
+            case Three:
+                g.setColor(BodyColor);
+                g.drawRect(_startPosX + 2, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 67, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 132, _startPosY + 50, 16, 30);
+                g.setColor(Color.CYAN);
+                g.drawOval(_startPosX + 22, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 47, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 87, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 112, _startPosY + 35, 16, 24);
+                break;
+            case Four:
+                g.setColor(BodyColor);
+                g.drawRect(_startPosX + 2, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 48, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 86, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 132, _startPosY + 50, 16, 30);
+                g.setColor(Color.CYAN);
+                g.drawOval(_startPosX + 25, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 67, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 109, _startPosY + 35, 16, 24);
+                break;
+            case Five:
+                g.setColor(BodyColor);
+                g.drawRect(_startPosX + 2, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 48, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 67, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 86, _startPosY + 50, 16, 30);
+                g.drawRect(_startPosX + 132, _startPosY + 50, 16, 30);
+                g.setColor(Color.CYAN);
+                g.drawOval(_startPosX + 25, _startPosY + 35, 16, 24);
+                g.drawOval(_startPosX + 109, _startPosY + 35, 16, 24);
+                break;
+        }
+    }
+}

Trolleybus/DrawingTrolleybus.java

@@ -0,0 +1,130 @@
+package Trolleybus;
+
+import java.awt.*;
+import java.util.Random;
+public class DrawingTrolleybus {
+    // Класс-сущность
+    public EntityTrolleybus EntityTrolleybus;
+    // Замена свойства
+    public EntityTrolleybus getEntityTrolleybus() {return EntityTrolleybus;}
+    private void setEntityTrolleybus(EntityTrolleybus entityTrolleybus) {EntityTrolleybus = entityTrolleybus;}
+    public DrawingDoors Doors;
+    // Ширина окна
+    private int _pictureWidth;
+    // Высота окна
+    private int _pictureHeight;
+    // Левая координата прорисовки троллейбуса
+    private int _startPosX;
+    // Верхняя координата прорисовки троллейбуса
+    private int _startPosY;
+    // Ширина прорисовки троллейбуса
+    private final int _trolleybusWidth = 150;
+    // Высота прорисовки троллейбуса
+    private final int _trolleybusHeight = 95;
+    // Инициализация свойств
+    public boolean Init(int speed, double weight, Color bodyColor, Color additionalColor, boolean horns, boolean batteries, int width, int height)
+    {
+        if (width < _trolleybusWidth || height < _trolleybusHeight)
+        {
+            return false;
+        }
+        _pictureWidth = width;
+        _pictureHeight = height;
+        EntityTrolleybus = new EntityTrolleybus();
+        EntityTrolleybus.Init(speed, weight, bodyColor, additionalColor, horns, batteries);
+        //Кол-во дверей
+        Random random = new Random();
+        Doors = new DrawingDoors();
+        Doors.SetCntOfDoors(random.nextInt(3, 6));
+        return true;
+    }
+
+    // Установка позиции
+    public void SetPosition(int x, int y)
+    {
+        if (x > _pictureWidth || y > _pictureHeight) {
+            return;
+        }
+        _startPosX = Math.min(Math.max(x, 0), _pictureWidth - _trolleybusWidth);
+        _startPosY = Math.min(Math.max(y, 0), _pictureHeight - _trolleybusHeight);
+    }
+
+    // Изменение направления перемещения
+    public void MoveTransport(DirectionType directionType)
+    {
+        if (EntityTrolleybus == null)
+        {
+            return;
+        }
+
+        switch (directionType)
+        {
+            //влево
+            case Left:
+                if (_startPosX - EntityTrolleybus.Step > 0)
+                {
+                    _startPosX -= (int)EntityTrolleybus.Step;
+                }
+                break;
+            //вверх
+            case Up:
+                if (_startPosY - EntityTrolleybus.Step > 0)
+                {
+                    _startPosY -= (int)EntityTrolleybus.Step;
+                }
+                break;
+            // вправо
+            case Right:
+                if (_startPosX + _trolleybusWidth + EntityTrolleybus.Step < _pictureWidth)
+                {
+                    _startPosX += (int)EntityTrolleybus.Step;
+                }
+                break;
+            // вниз
+            case Down:
+                if (_startPosY + _trolleybusHeight + EntityTrolleybus.Step < _pictureHeight)
+                {
+                    _startPosY += (int)EntityTrolleybus.Step;
+                }
+                break;
+        }
+    }
+    // Прорисовка объекта
+    public void DrawTransport(Graphics g)
+    {
+        if (EntityTrolleybus == null)
+        {
+            return;
+        }
+        Graphics2D g2d = (Graphics2D)g;
+        //РИСОВАНИЕ САМОГО ТРРОЛЛЕЙБУСА
+        //Корпус
+        g2d.setColor(EntityTrolleybus.getBodyColor());
+        g2d.drawLine(_startPosX, _startPosY + 30, _startPosX, _startPosY + 80);
+        g2d.drawLine(_startPosX, _startPosY + 80, _startPosX + 20, _startPosY + 80);
+        g2d.drawLine(_startPosX + 45, _startPosY + 80, _startPosX + 105, _startPosY + 80);
+        g2d.drawLine(_startPosX + 130, _startPosY + 80, _startPosX + 150, _startPosY + 80);
+        g2d.drawLine(_startPosX + 150, _startPosY + 80, _startPosX + 150, _startPosY + 30);
+        g2d.drawLine(_startPosX + 150, _startPosY + 30, _startPosX, _startPosY + 30);
+        //Колёса
+        g2d.setColor(Color.BLACK);
+        g2d.drawOval(_startPosX + 20, _startPosY + 70, 25, 25);
+        g2d.drawOval(_startPosX + 105, _startPosY + 70, 25, 25);
+        //Двери
+        Doors.DrawDoors(g2d, EntityTrolleybus.getBodyColor(), _startPosX, _startPosY);
+        //Опциональные "рога"
+        g2d.setColor(EntityTrolleybus.getAdditionalColor());
+        if (EntityTrolleybus.Horns)
+        {
+            g2d.drawLine(_startPosX + 70, _startPosY + 30, _startPosX + 40, _startPosY);
+            g2d.drawLine(_startPosX + 70, _startPosY + 30, _startPosX + 60, _startPosY);
+        }
+        //Опциональный отсек для батареи
+        if (EntityTrolleybus.Batteries)
+        {
+            int[] xOfBatteries = {_startPosX + 70, _startPosX + 70, _startPosX + 100, _startPosX + 110};
+            int[] yOfBatteries = {_startPosY + 30, _startPosY + 25, _startPosY + 25, _startPosY + 30};
+            g2d.fillPolygon(xOfBatteries, yOfBatteries, 4);
+        }
+    }
+}

Trolleybus/EntityTrolleybus.java

@@ -0,0 +1,55 @@
+package Trolleybus;
+
+import java.awt.*;
+public class EntityTrolleybus {
+    //Скорость
+    public int Speed;
+    // Замена свойства
+    public int getSpeed() {return Speed;}
+    private void setSpeed(int speed) {Speed = speed;}
+
+    // Вес
+    public double Weight;
+    // Замена свойства
+    public double getWeight() {return Weight;}
+    private void setWeight(double weight) {Weight = weight;}
+
+    // Основной цвет
+    public Color BodyColor;
+    // Замена свойства
+    public Color getBodyColor() {return BodyColor;}
+    private void setBodyColor(Color bodyColor) {BodyColor = bodyColor;}
+
+    // Дополнительный цвет (для опциональных элементов)
+    public Color AdditionalColor;
+    // Замена свойства
+    public Color getAdditionalColor() {return AdditionalColor;}
+    private void setAdditionalColor(Color additionalColor) {AdditionalColor = additionalColor;}
+
+    // Признак (опция) наличия "рогов"
+    public boolean Horns;
+    // Замена свойства
+    public boolean getHorns() {return Horns;}
+    private void setHorns(boolean horns) {Horns = horns;}
+
+    // Признак (опция) наличия отсека под электрические батареи
+    public boolean Batteries;
+    // Замена свойства
+    public boolean getBatteries() {return Batteries;}
+    private void setBatteries(boolean batteries) {Batteries = batteries;}
+
+    // Шаг перемещения троллейбуса
+    public double Step;
+
+    // Инициализация полей объекта-класса троллейбуса
+    public void Init(int speed, double weight, Color bodyColor, Color additionalColor, boolean horns, boolean batteries)
+    {
+        Speed = speed;
+        Weight = weight;
+        Step = (double)Speed * 100 / Weight;
+        BodyColor = bodyColor;
+        AdditionalColor = additionalColor;
+        Horns = horns;
+        Batteries = batteries;
+    }
+}

Trolleybus/FormTrolleybus.java

@@ -0,0 +1,139 @@
+package Trolleybus;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Random;
+
+public class FormTrolleybus{
+    private DrawingTrolleybus _drawingTrolleybus;
+    private JFrame frameTrolleybus;
+    private JPanel panelTrolleybus;
+    private JButton buttonCreate, buttonUp, buttonDown, buttonRight, buttonLeft;
+
+    public FormTrolleybus(){
+        //Само окно
+        frameTrolleybus = new JFrame();
+        frameTrolleybus.setLayout(new BorderLayout());
+        frameTrolleybus.setSize(900, 500);
+        frameTrolleybus.setTitle("Троллейбус");
+        frameTrolleybus.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        //Панель, на которую добавляю всё
+        panelTrolleybus = new JPanel();
+        panelTrolleybus.setLayout(null);
+
+        //Кнопка создания
+        buttonCreate = new JButton("Создать");
+        //Кнопка вверх
+        buttonUp = new JButton();
+        buttonUp.setIcon(new ImageIcon("Up.png"));
+        buttonUp.setToolTipText("buttonUp");
+        //Кнопка вниз
+        buttonDown = new JButton();
+        buttonDown.setIcon(new ImageIcon("Down.png"));
+        buttonDown.setToolTipText("buttonDown");
+        //Кнопка вправо
+        buttonRight = new JButton();
+        buttonRight.setIcon(new ImageIcon("Right.png"));
+        buttonRight.setToolTipText("buttonRight");
+        //Кнопка влево
+        buttonLeft = new JButton();
+        buttonLeft.setIcon(new ImageIcon("Left.png"));
+        buttonLeft.setToolTipText("buttonLeft");
+        //Размеры, позиция кнопок
+        buttonCreate.setBounds(10,400,90,30);
+        buttonUp.setBounds(800,380,30,30);
+        buttonDown.setBounds(800,420,30,30);
+        buttonLeft.setBounds(760,420,30,30);
+        buttonRight.setBounds(840,420,30,30);
+
+        //Добавление листенеров к кнопкам
+        buttonCreate.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                ButtonCreate_Click(e);
+            }
+        });
+
+        buttonUp.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                ButtonMove_Click(buttonUp, e);
+            }
+        });
+
+        buttonDown.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                ButtonMove_Click(buttonDown, e);
+            }
+        });
+
+        buttonRight.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                ButtonMove_Click(buttonRight, e);
+            }
+        });
+
+        buttonLeft.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                ButtonMove_Click(buttonLeft, e);
+            }
+        });
+
+        panelTrolleybus.add(buttonCreate);
+        panelTrolleybus.add(buttonUp);
+        panelTrolleybus.add(buttonDown);
+        panelTrolleybus.add(buttonLeft);
+        panelTrolleybus.add(buttonRight);
+        frameTrolleybus.add(panelTrolleybus, BorderLayout.CENTER);
+
+        frameTrolleybus.setVisible(true);
+    }
+    // Метод прорисовки троллейбуса
+    private void Draw(){
+        if (_drawingTrolleybus == null) {
+            return;
+        }
+        Graphics g = panelTrolleybus.getGraphics();
+        // Очистка перед перерисовкой
+        panelTrolleybus.paint(g);
+        _drawingTrolleybus.DrawTransport(g);
+    }
+    private void ButtonCreate_Click(ActionEvent e) {
+        Random random = new Random();
+        _drawingTrolleybus = new DrawingTrolleybus();
+        _drawingTrolleybus.Init(random.nextInt(100, 300),
+                random.nextInt(1000, 3000),
+                new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256)),
+                new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256)),
+                random.nextBoolean(),
+                random.nextBoolean(),
+                panelTrolleybus.getWidth(), panelTrolleybus.getHeight());
+        _drawingTrolleybus.SetPosition(random.nextInt(10, 100), random.nextInt(10, 100));
+        Draw();
+    }
+    protected void ButtonMove_Click(Object sender, ActionEvent e) {
+        if (_drawingTrolleybus == null)
+        {
+            return;
+        }
+        JButton info = (JButton)e.getSource();
+        String name = info.getToolTipText();
+        switch (name)
+        {
+            case "buttonUp":
+                _drawingTrolleybus.MoveTransport(DirectionType.Up);
+                break;
+            case "buttonDown":
+                _drawingTrolleybus.MoveTransport(DirectionType.Down);
+                break;
+            case "buttonLeft":
+                _drawingTrolleybus.MoveTransport(DirectionType.Left);
+                break;
+            case "buttonRight":
+                _drawingTrolleybus.MoveTransport(DirectionType.Right);
+                break;
+        }
+        Draw();
+    }
+}

Trolleybus/Main.java

@@ -0,0 +1,7 @@
+package Trolleybus;
+
+public class Main {
+    public static void main(String[] args) {
+        new FormTrolleybus();
+    }
+}