関連ワード:  how to take matrix input in java    how to take array input in java    how to take array input in java without size    how to take array input in java using scanner    how to take array input in javascript    how to take array input in java from user    how to take array input in java using bufferedreader    how to take array input in java using for loop    how to take array input in java with size    how to take 2d matrix input in java