Add Tank class.

src/Tank.java

+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public class Tank {
+
+    int x;
+    int y;
+    double rotateAmount;
+    BufferedImage icon;
+    Bullets bullets;
+    GameState state;
+
+    public Tank(String path){
+        try {
+            icon = ImageIO.read(new File(path));
+        }
+        catch (IOException e){
+            System.out.println("File not found ");
+        }
+
+        bullets=new Bullets();
+    }
+
+    public BufferedImage getIcon(){
+        return icon;
+    }
+
+    public int getX(){
+        return x;
+    }
+
+    public int getY(){
+        return y;
+    }
+
+    public GameState getState() {
+        return state;
+    }
+}