jme3-examples: improve the javadoc

jme3-examples/src/main/java/jme3test/bullet/PhysicsHoverControl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2020 jMonkeyEngine
+ * Copyright (c) 2009-2021 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -84,7 +84,7 @@ public class PhysicsHoverControl extends PhysicsVehicle implements PhysicsContro
 
     /**
      * Creates a new PhysicsNode with the supplied collision shape
-     * @param shape
+     * @param shape the desired collision shape
      */
     public PhysicsHoverControl(CollisionShape shape) {
         super(shape);

jme3-examples/src/main/java/jme3test/texture/TestSkyRotation.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 jMonkeyEngine
+ * Copyright (c) 2017-2021 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -116,7 +116,7 @@ public class TestSkyRotation extends SimpleApplication implements ActionListener
      *
      * @param name the name of the action
      * @param ongoing true→depress key, false→release key
-     * @param ignored
+     * @param ignored ignored
      */
     @Override
     public void onAction(String name, boolean ongoing, float ignored) {

jme3-examples/src/main/java/jme3test/texture/TestTextureArray.java

@@ -76,7 +76,7 @@ public class TestTextureArray extends SimpleApplication
    }
 
    /**
-    * @param args
+    * @param args ignored
     */
    public static void main(String[] args)
    {

jme3-examples/src/main/java/jme3test/texture/TestTextureArrayCompressed.java

@@ -76,7 +76,7 @@ public class TestTextureArrayCompressed extends SimpleApplication
    }
 
    /**
-    * @param args
+    * @param args ignored
     */
    public static void main(String[] args)
    {