import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.function.Consumer;

import java.lang.Integer;

public class ForEachExample {

public static void main(String[] args) {

//creating sample Collection

List<Integer> myList = new ArrayList<Integer>();

for (int i = 0; i < 10; i++) myList.add(i);

//traversing using Iterator

Iterator<Integer> it = myList.iterator();

while (it.hasNext()) {

Integer i = it.next();

System.out.println("Iterator Value::" + i);

}

//traversing through forEach method of Iterable with anonymous class

myList.forEach(new Consumer<Integer>() {

public void accept(Integer t) {

System.out.println("forEach anonymous class Value::" + t);

}

});

//traversing with Consumer interface implementation

MyConsumer action = new MyConsumer();

myList.forEach(action);

}

}

//Consumer implementation that can be reused

class MyConsumer implements Consumer<Integer> {

public void accept(Integer t) {

System.out.println("Consumer impl Value::" + t);

}

}