関連ワード:  how to make inner class in java    how to make nested classes in java    how to make object of inner class in java    how to get inner class object in java    how to create an object of inner class in java    how to create an instance of inner class in java    how to make a class inside a class in java    how to create a class inside a class in java    how to create a method inside a class in java    how to create a method inside a class in javascript