package chapter11;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collection;

import java.util.Iterator;

class ReversibleArrayList<T> extends ArrayList<T>{

public ReversibleArrayList(Collection<T> c){

super(c);

}

public Iterable<T> reversed(){

return new Iterable<T>() {

public Iterator<T> iterator(){

return new Iterator<T>() {

int current = size() - 1;

public boolean hasNext(){

return current > -1;

}

public T next(){

return get(current--);

}

public void remove(){

throw new UnsupportedOperationException();

}

};

}

};

}

}

public class AdapterMethodIdiom {

public static void main(String[] args){

ReversibleArrayList<String> ral =

new ReversibleArrayList<String>(

Arrays.asList("To be or not to be".split(" ")));

for(String s:ral){

System.out.print(s+" ");

}

System.out.println();

for(String s: ral.reversed()){

System.out.print(s+" ");

}

}

}