PrimitiveStreamsDemo.java

package Stream;

import java.util.Arrays;
import java.util.Random;
import java.util.stream.Collectors;
import java.util.stream.DoubleStream;
import java.util.stream.IntStream;

public class PrimitiveStreamsDemo {
    static void main(String[] args) {
        int[] numbers = {1, 2, 3, 4, 5};
        IntStream stream = Arrays.stream(numbers);

        System.out.println(IntStream.range(1, 5).boxed().collect(Collectors.toList()));
        System.out.println(IntStream.rangeClosed(1, 5).boxed().collect(Collectors.toList()));


        DoubleStream doubles = new Random().doubles(5);
        // System.out.println(doubles.sum());
        // System.out.println(doubles.min());
        // System.out.println(doubles.max());
        // System.out.println(doubles.average());
        // doubles.summaryStatistics();
        // IntStream intStream = doubles.mapToInt(x -> (int) (x + 1));
        System.out.println(doubles.boxed().toList());

        IntStream intStream2 = new Random().ints(5);
        System.out.println(intStream2.boxed().toList());
    }
}