package chapter12;

import java.util.function.*;

import java.util.*;

import java.util.stream.*;

public class Sect9_Ex1

{

public static void main(String[] args)

{

Supplier<List<Character>> supp = () -> new ArrayList<Character>();

BiConsumer<List<Character>, Character> acc = (x,y) -> {

System.out.print("acc: x=" + x + " y=" + y+ " result=");

if (Character.isAlphabetic(y))

x.add(0,y);

else

x.add(y);

x.forEach(z -> System.out.print(z));

System.out.println();

};

BinaryOperator<List<Character>> comb1 = (x,y) -> {

x.addAll(y);

return x;

};

Stream.of('1','a','b','2') // Stream<Character>

.collect(Collector.of(supp, acc, comb1)) // List<Character>

.forEach(x -> System.out.println(x));

}

}