The Java Stream distinct() method is an intermediate operation.
The Java Stream distinct() method is a non-terminal operation that returns a new Stream that will only contain the distinct elements from the original stream. Any duplicates will be eliminated.
Java Stream distinct() Example
Here is an example of the Java Stream distinct() method:
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class Main {
public static void main(String[] args)
{
List<String> stringList = new ArrayList<>();
stringList.add("one");
stringList.add("two");
stringList.add("three");
stringList.add("one");
Stream<String> stream = stringList.stream();
List<String> distinctStrings = stream
.distinct()
.collect(Collectors.toList());
System.out.println(distinctStrings);
}
}
Output:
[one, two, three]
Java Stream Methods/APIs Examples
- Java Stream filter() Example
- Java Stream map() Example
- Java Stream flatMap() Example
- Java Stream distinct() Example
- Java Stream limit() Example
- Java Stream peek() Example
- Java Stream anyMatch() Example
- Java Stream allMatch() Example
- Java Stream noneMatch() Example
- Java Stream collect() Example
- Java Stream count() Example
- Java Stream findAny() Example
- Java Stream findFirst() Example
- Java Stream forEach() Example
- Java Stream min() Example
- Java Stream max() Example
- Java Stream reduce() Example
- Java Stream toArray() Example