Arraylist without remove object

Question

I have an Arraylist, for example

ArrayList newObjectList = new ArrayList<>();

I want to use an object from

Answer 1

You can disable the remove method using the Collections.unmodifiableList() construct:

List<Object> newObjectList = Collections.unmodifiableList(new ArrayList<Object>());

This will throw an UnsupportedOperationException when trying to add or remove an object.

Answer 2

Use the method newObjectList.get(index) instead

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