Изменено название класса

src/main/java/FormArmoredCar.form

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="FormCar">
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="FormArmoredCar">
   <grid id="27dc6" binding="mainPanel" layout-manager="GridLayoutManager" row-count="4" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
     <margin top="0" left="0" bottom="0" right="0"/>
     <constraints>

src/main/java/FormArmoredCar.java

@@ -6,7 +6,7 @@ import java.awt.event.ComponentAdapter;
 import java.awt.event.ComponentEvent;
 import java.util.Random;
 
-public class FormCar extends JFrame{
+public class FormArmoredCar extends JFrame{
     private JButton buttonUp;
     private JButton buttonDown;
     private JButton buttonRight;
@@ -20,7 +20,7 @@ public class FormCar extends JFrame{
 
     private DrawingArmoredCar armoredCar;
 
-    public FormCar() {
+    public FormArmoredCar() {
         super("Бронированная машина");
         setBounds(100, 100, 700, 700);
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

src/main/java/Program.java

@@ -1,8 +1,5 @@
-import javax.swing.*;
-import java.awt.*;
-
 public class Program {
     public static void main(String[] args) {
-        new FormCar();
+        new FormArmoredCar();
     }
 }