関連ワード:  how to make a generic type in java    how to make a generic class in java    how to create a generic class in java    how to create a generic type array in java    how to make return type generic in java    how to get the class of a generic type in java    how to create an instance of a generic type in java    how to get generic parameter type in java    how to create custom generic class in java    how to get class name of generic type in java