Удалены лишние методы и изменен модификатор доступа у поля в классе FrameMonorail

src/projectMonorail/DrawingMonorail.java

@@ -10,10 +10,6 @@ public class DrawingMonorail {
         return entityMonorail;
     }
 
-    private void setEntityMonorail(EntityMonorail entityMonorail) {
-        this.entityMonorail = entityMonorail;
-    }
-
     private DrawingWheels drawingWheels;
 
     private int pictureWidth;

src/projectMonorail/EntityMonorail.java

@@ -10,62 +10,36 @@ public class EntityMonorail {
         return speed;
     }
 
-    private void setSpeed(int speed) {
-        this.speed = speed;
-    }
-
     private double weight;
 
     public double getWeight() {
         return weight;
     }
 
-    private void setWeight(double weight) {
-        this.weight = weight;
-    }
-
     private Color mainColor;
 
     public Color getMainColor() {
         return mainColor;
     }
 
-    private void setMainColor(Color mainColor) {
-        this.mainColor = mainColor;
-    }
-
     private Color additionalColor;
 
     public Color getAdditionalColor() {
         return additionalColor;
     }
 
-    private void setAdditionalColor(Color additionalColor) {
-        this.additionalColor = additionalColor;
-    }
-
     private boolean magneticRail;
 
     public boolean getMagneticRail() {
         return magneticRail;
     }
 
-    private void setMagneticRail(boolean magneticRail) {
-        this.magneticRail = magneticRail;
-    }
-
     private boolean extraCabin;
 
     public boolean getExtraCabin() {
         return extraCabin;
     }
 
-    private void setExtraCabin(boolean extraCabin) {
-        this.extraCabin = extraCabin;
-    }
-
-    private double step;
-
     public double getStep() {
         return (double)speed * 100 / weight;
     }

src/projectMonorail/FrameMonorail.java

@@ -4,7 +4,7 @@ import javax.swing.*;
 
 public class FrameMonorail extends JFrame {
 
-    PictureBox pictureBox;
+    private PictureBox pictureBox;
 
     public FrameMonorail() {
         super("Monorail");