StreamEx 07-マッピングボックス()

package day15;

import java.util.Arrays;
import java.util.stream.IntStream;

public class StreamEx07 {
	public static void main(String[] args) {

		int[] arr = {1,2,3,4,5}; 
		
		// int[] -> DoubleStream 
		IntStream intStream = Arrays.stream(arr); 
		intStream
		.asDoubleStream()
		.forEach(d -> System.out.println(d));
		
		System.out.println();
		
		intStream = Arrays.stream(arr); 
		intStream
		.boxed()
		.forEach(obj -> System.out.println(obj.intValue()));
		
		

		
		
	}
}