How to add File [] Array content into ArrayList?

use following

List<File>tempList = Arrays.asList(temp);

Try this

tempList.addAll(Arrays.asList(temp));

If you are not going to update the content of the array (add/removing element), it can be as simple as

List<File> tempList = Arrays.asList(temp);

Of course, if you want a list that you can further manipulate, you can still do something like

List<File> tempList = new ArrayList<File>(Arrays.asList(temp));

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