Letters.java

package chapter17.two;

import java.util.Iterator;
import java.util.Spliterator;
import java.util.function.Consumer;

import chapter15.three.Generator;

public class Letters implements Generator<Pair<Integer, String>>,Iterable<Integer>{
	
	private int size=9;
	private int number=1;
	private char letter='A';

	public Iterator<Integer> iterator() {
		// TODO Auto-generated method stub
		return new Iterator<Integer>() {

			public boolean hasNext() {
				// TODO Auto-generated method stub
				return number<size;
			}

			public Integer next() {
				// TODO Auto-generated method stub
				return number++;
			}

			public void remove() {
				// TODO Auto-generated method stub
				throw new UnsupportedOperationException();
			}

			public void forEachRemaining(Consumer<? super Integer> action) {
				// TODO Auto-generated method stub
				
			}
		};
	}

	public void forEach(Consumer<? super Integer> action) {
		// TODO Auto-generated method stub
		
	}

	public Spliterator<Integer> spliterator() {
		// TODO Auto-generated method stub
		return null;
	}

	public Pair<Integer, String> next() {
		// TODO Auto-generated method stub
		return new Pair<Integer, String>(number++, " "+letter++);
	}

}