OnJava8-Examples/streams/FunctionMap2.java at master · xinan-w/OnJava8-Examples · GitHub

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// streams/FunctionMap2.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Different input and output types

import java.util.*;

import java.util.stream.*;

class Numbered {

final int n;

Numbered(int n) { this.n = n; }

@Override public String toString() {

return "Numbered(" + n + ")";

}

class FunctionMap2 {

public static void main(String[] args) {

Stream.of(1, 5, 7, 9, 11, 13)

.map(Numbered::new)

.forEach(System.out::println);

}

/* Output:

Numbered(1)

Numbered(5)

Numbered(7)

Numbered(9)

Numbered(11)

Numbered(13)

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