Add javaDoc.

src/CreateNewGameFrame.java

@@ -7,8 +7,13 @@ import java.awt.event.ActionListener;
 import java.io.File;
 import java.io.FileWriter;
 
+/**
+ * this class provide Game opening window
+ * @author narges salehi & sepehr tavakoli
+ * @version 1.1
+ * @since July 21 2020
+ */
 public class CreateNewGameFrame extends JFrame {
-
     private JPanel settingPanel;
     private JPanel gameDetailsPanel;
     private JPanel optionPanel;
@@ -50,7 +55,7 @@ public class CreateNewGameFrame extends JFrame {
         destructibleWallSlider = new JSlider(10, 100, 20);
         sliderAndIcon(tankHealthSlider, "pictures/tankHealth.png");
         sliderAndIcon(shotDamageSlider, "pictures/shotDamage.png");
-        sliderAndIcon(destructibleWallSlider,"pictures/DestructibleWall.png");
+        sliderAndIcon(destructibleWallSlider, "pictures/DestructibleWall.png");
 
         add(settingPanel);
         settingPanel.add(gameDetailsPanel, BorderLayout.CENTER);