関連ワード:  how to declare a arraylist in java    how to create a array list in java    how to initialize a array list in java    how to declare 2d array list in java    how to create a new array list in java    how to create a 2d array list in java    how to create a string array list in java    how to define array list in java    how to create array list in javascript    how to declare array of arraylist in java