関連ワード:  find length of 2d array in java    find size of 2d array in java    get length of 2d array in java    get size of 2d array in java    how to find length of 2d array in javascript    find length of multidimensional array java    find dimensions of 2d array java    how to find size of 2 dimensional array in java    get dimensions of 2d array java    how to calculate size of 2d array in java