Add Bullets class.

src/Bullets.java

+import java.awt.image.BufferedImage;
+import java.sql.BatchUpdateException;
+
+public class Bullets {
+
+    int x;
+    int y ;
+    double angelWithHorizon;
+    BufferedImage icon;
+
+    public Bullets(){
+
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public double getAngelWithHorizon() {
+        return angelWithHorizon;
+    }
+
+    public BufferedImage getIcon() {
+        return icon;
+    }
+}