Asteroid game java

[login to view URL] program should operate in a graphical environment to work is acceptable. [login to view URL] project must include appropriate class hierarchy with at least two "levels" and satisfy the object-oriented programming principles. The code is provided to you based on the following hierarchy: ?Game ?The class that is planning the game ?Asteroid extends Game ?The class to "manage" the game. Includes the world of the game,Spacecraft of the player,the asteroids and other objects [login to view URL] working methods,scan the firing of bullets,etc. ?Shape ?Basic class that represents a [login to view URL] objects in space are shapes. ?Polygon extends Shape ?Class that represents a [login to view URL] player's spaceship and the asteroids are polygons. ?Circle extends Shape ?Class represents a [login to view URL] "bullets" and the stars are shapes. ?Ship extends Polygon ?Class that represents a player's spaceship. ?Asteroid extends Polygon ?Class represents an asteroid ?Bullet extends Circle ?Class representing a bullet/[login to view URL] can only eject spaceship player. [login to view URL] should be a file that contains the 10 best scores and their names players in order from best to [login to view URL] after a game is high score,the file must be updated. [login to view URL] should be a button and/or option(File->Save)to save the state of the game The state of the game must be stored in a file in a format that if loaded,the game will start from where it stopped. [login to view URL] should be a button and/or option (File->Load) for unloading of the state of the game from a [login to view URL] there is no attached file,the game starts correctly from the beginning. [login to view URL] should be a button and/or option (File->Exit) to end the [login to view URL] button that closes the window should be [login to view URL] program can end only through menu button or equivalent [login to view URL] any problems when running the application(eg failure to file storage) must be appropriate handling of Exceptions. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the worker's Worker Legal Agreement). 2) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 3) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Worker in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. ## Platform Windows, java application