Java8 Looping examples

import java.util.Collection;
import java.util.Arrays;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map.Entry;

public class Main {

    public static void main(String[] args) {

        String[] array = new String[]{"burgers", "fries", "nuggets"};
        Collection<String> collection = Arrays.asList("burgers", "fries", "nuggets");

        System.out.println("Arrays:");
        for(int i = 0; i < array.length; i++) {
            printString(array[i]);
        }

        System.out.println("List loop:");
        for (String text: collection) {
            printString(text);
        }

        System.out.println("Stream:");
        collection.forEach(s -> printString(s));

        System.out.println("Stream & method reference:");
        collection.forEach(Main::printString);

        Map<String, String> combos =  new HashMap<>();
        combos.put("burgers", "coke");
        combos.put("fries", "sprite");
        combos.put("nuggets", "tango");

        Iterator<Entry<String, String>> iterator = combos.entrySet().iterator();

        while(iterator.hasNext()) {
            Entry<String, String> entry = iterator.next();
            if (iterator.next().getValue().equals("tango")) {
                if(entry.getValue().equals("tango")) {
                    iterator.remove();
                }
            }
        }


    }

    private static void printString(String text) {
        System.out.println(text);
    }
}