Adding ArrayList to another ArrayList in Java

Add ArrayList to another ArrayList in Java

We shall use the addAll Method to add ArrayList to another ArrayList in Java

ArrrayList<String> BigList=new  ArrrayList<String>();

ArrrayList<String> SmallList=new  ArrrayList<String>();


BigList.addAll(SmallList);


Reference:

http://stackoverflow.com/questions/16730364/add-arraylist-to-another-arraylist-in-java