How to write an ArrayList of Strings into a text file?

Question

I want to write an ArrayList into a text file.

The ArrayList is created with the code:

ArrayList arr = new A         


        

Answer 1

If you need to create each ArrayList item in a single line then you can use this code

private void createFile(String file, ArrayList arrData)
            throws IOException {
        FileWriter writer = new FileWriter(file + ".txt");
        int size = arrData.size();
        for (int i=0;i