関連ワード:  why java is not a pure oop language    why java is not a pure object oriented language    why java is not a fully object oriented language    why java is not a pure object oriented programming language    2 why is java not a pure object oriented language    why is java not called a pure object oriented language    why java is not a fully object oriented programming language    what is java is java not a fully object oriented language if yes explain    why java is not pure oops based programming language    java is not a pure object oriented programming language justify