I am currently converting an ArrayList to a String to send it to a DB so I can retrieve it on the other end and convert it back to an ArrayList later.
My thought process is to convert it to a string currently by doing the following
for(Integer o: questions) questionString += o + ",";
questions is the ArrayList and looks like this:
When I look at my database it looks like this
How would I go about removing
null at the start and the last
, so it looks like
4,4 on the database?
On the other end I can then get it by using the following:
ArrayList myList = new ArrayList<String>(Arrays.asList(arrayQuestions.split(",")));
( I am using SQLite which is a requirement for my college project )
You should initialize
questionString to “” before the loop;
String questionString = "";