ArrayStreamExample.java

import java.util.Arrays;

public class ArrayStreamExample {

	public static void main(String[] args) {
		int[] data = new int[] { 2, 4, 6, 9, 11 };
		String result = Arrays.stream(data).filter((e) -> (e % 2 == 0))
				.boxed()
				.map(e -> String.format("<%d>", e))
				//.mapToObj(e -> String.format("<%d>", e))
				.reduce((l,r)->l+r)
				.orElse("(empty)");
		System.out.println(result);
		
	}

}