alex_dev99 · 09.05.2026

Converting List to Array in Java: How to Do It Correctly?

Hello everyone! I'm just starting to learn Java and ran into this problem. I have an ArrayList with strings, and I need to convert it to a regular String[] array to pass to some old method that only accepts arrays. I wrote this code: ```java List list = new ArrayList<>(); list.add("Java"); list.add("Python"); list.add("C++"); // Attempt 1: just assign String[] array = list; // Compilation error: incompatible types // Attempt 2: use toArray() String[] array2 = list.toArray(); // Error: Object[] cannot be converted to String[] ``` The first option doesn't work because List is an interface, not an array. The second option returns Object[], not String[], even though the list only contains strings. I read that you can use

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