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IntStream filter() method in Java
The filter() method of the IntStream class in Java returns a stream consisting of the elements of this stream that match the given predicate.
The syntax is as follows −
IntStream filter(IntPredicate predicate)
Here, the predicate parameter is a stateless predicate to apply to each element to determine if it should be included. The IntPredicate above is the predicate of one int-valued argument.
Create an IntStream and add elements −
IntStream intStream = IntStream.of(20, 34, 45, 67, 89, 100);
Now, set a condition and filter stream elements based on it using the filter() method −
intStream.filter(a -> a < 50).
The following is an example to implement IntStream filter() method in Java −
Example
import java.util.*; import java.util.stream.IntStream; public class Demo { public static void main(String[] args) { IntStream intStream = IntStream.of(20, 34, 45, 67, 89, 100); System.out.println("The following elements matches the given predicate:"); intStream.filter(a -> a < 50).forEach(System.out::println); } }
Output
The following elements matches the given predicate: 20 34 45
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