How to convert a Java IntStream to a List?

How to convert a Java IntStream to a List?

You can convert a Java IntStream to a List<Integer> by using the boxed() method from the IntStream class to convert the int elements into Integer objects and then collecting them into a List. Here's how you can do it:

import java.util.*; import java.util.stream.IntStream; public class IntStreamToListExample { public static void main(String[] args) { IntStream intStream = IntStream.of(1, 2, 3, 4, 5); // Convert the IntStream to a List<Integer> List<Integer> integerList = intStream.boxed() .collect(Collectors.toList()); // Print the List System.out.println(integerList); } }

In this example, we first create an IntStream containing some integer values. Then, we use the boxed() method to convert the int values into Integer objects, making it an Stream<Integer>. Finally, we use the collect() method with Collectors.toList() to collect the Integer objects into a List<Integer>.

The output of the above code will be:

[1, 2, 3, 4, 5]

This demonstrates how to convert an IntStream to a List<Integer> in Java.

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