関連ワード:  how to make character array in java    how to make char array in java    how to get character array in java    how to make string to char array in java    how to make a 2d char array in java    how to get character array input in java    how to get char array input in java using scanner    how to get char array length in java    how to create empty char array in java    how to get character array from string in java