java8-tutorial/src/com/winterbe/java8/Streams4.java at master · garg-anurag/java8-tutorial · GitHub

37 lines (30 loc) · 887 Bytes

package com.winterbe.java8;

import java.util.OptionalInt;

import java.util.stream.IntStream;

/**

* @author Benjamin Winterberg

public class Streams4 {

public static void main(String[] args) {

for (int i = 0; i < 10; i++) {

if (i % 2 == 1) {

System.out.println(i);

}

IntStream.range(0, 10)

.forEach(i -> {

if (i % 2 == 1) System.out.println(i);

});

IntStream.range(0, 10)

.filter(i -> i % 2 == 1)

.forEach(System.out::println);

OptionalInt reduced1 =

IntStream.range(0, 10)

.reduce((a, b) -> a + b);

System.out.println(reduced1.getAsInt());

int reduced2 =

IntStream.range(0, 10)

.reduce(7, (a, b) -> a + b);

System.out.println(reduced2);

}

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