Streamy, mapowanie jednego parametru na dwa

public void test(){
	List<String> list = Arrays.asList("S1", "S22", "SS3");
	for(String string: list){
		System.out.println("Number of letters="+countLetters(string) + "\tNumber of digits=" + countDigits(string));
	}
}

public void test(){
	List<String> list = Arrays.asList("S1", "S22", "SS3");
        list.stream().forEach(x -> System.out.println("Number of letters="+countLetters(x) + "\tNumber of digits=" + countDigits(x)));
}

        List<String> list = Arrays.asList("S1", "S23", "SS3");
        BiConsumer<Integer, Integer> consumer = (Integer a, Integer b) -> System.out.println("Number of letters=" + a + "\tNumber of digits=" + b);

        list.stream() 
		// magia która zmapuje mi stringa na dwie liczby
			.forEach(x,y -> consumer);

List("1", "2", "3")
  map { x => (x.toInt, x.toInt) }
  foreach { case (a,b) => println("a = " + a + ", b = " + b) }

 list.stream().map(a -> new int[]{countLetters(a), countDigits(a)})
    .forEach(a -> biConsumer.accept(a[0], a[1]));

/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */

class Pair<A, B> {
	private final A a;
	private final B b;
	
	public Pair(A _a, B _b) { a = _a; b = _b; }
	
	public final A first() { return a; }
	public final B second() { return b; }
	
	@Override
	public String toString() { return "Pair(" + a + ", " + b + ")"; }
}

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Pair<Integer, String> p = new Pair(10, "Hello");
		System.out.println(p);
	}
}