How to Safely Convert an ArrayList to a String[] Array in Java?

Convert ArrayList to String[] Array Without Exceptions

To convert an ArrayList to a String[] array in Java, you may encounter issues if you attempt to cast the ArrayList directly to an array. Here's a solution that resolves this problem:

// Define your ArrayList of strings
List<String> stockList = new ArrayList<>();
stockList.add("stock1");
stockList.add("stock2");

// Create a new String array with the same size as the ArrayList
int arraySize = stockList.size();
String[] stockArr = new String[arraySize];

// Copy the ArrayList elements into the String array using toArray()
stockList.toArray(stockArr);

// Print the contents of the String array
for (String s : stockArr) {
    System.out.println(s);
}

This solution involves creating a new String array of the same size as the ArrayList and then using the toArray() method to copy the ArrayList elements into the new array. This approach ensures that the conversion is done correctly without any exceptions.

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