関連ワード:  how to initialize 2d array java    how to initialize 2d array javascript    how to declare 2d array java    how to define 2d array java    how to declare 2d array javascript    how to initialise 2d array java    how to initialize 2d array in java with 0    how to initialize 2 d array in java    how to initialize 2d array in java with 1    how to initialize 2d array in java with values