関連ワード:  how to create an arraylist in java    how to make an array list in java    how to create an arraylist in java with values    how to create an empty arraylist in java    how to make an arraylist empty in java    how to get arraylist in java    how to get an element from arraylist in java    how to get length of an arraylist in java    how to create an array of arraylist in java    how to get size of an arraylist in java