Mar 2, 2017 · 44 I have been asked to use the enhanced for loop in my coding. I have only been taught how to use traditional for loops, and as such don't know about the differences between …

Jul 19, 2012 · The first thing to note is that for collections the enhanced for loop uses an Iterator, so if you manually iterate over a collection using an Iterator then you should have pretty much …

Jul 25, 2010 · The for-each loop is almost certainly the most new popular feature from Java 5. It works because it increases the abstraction level - instead of having to express the low-level …

The enhanced for loop is just a syntactic shortcut introduced in Java 5 to avoid the tedium of explicitly defining an iterator. For both styles, you can come up with essentially trivial variations …

Jul 14, 2015 · Basically, wherever you use the continue keyword in the body of the for loop, it must be preceded by an i++ instruction, otherwise funny things can happen. To avoid having …

Mar 2, 2012 · What I have been asked to do is use the "enhanced" for loop to iterate through the array calling bark (). So with a traditional for loop it would look like this:

For example, I can loop an ArrayList like this for (String temp : arraylist) Can I loop a HashMap by using the similar method?

Your code soesn't compile. A 2D array is in fact an array of arrays. And each you can use a foreach loop on arrays. So you have the answer.

The Java for each loop (aka enhanced for loop) is a simplified version of a for loop. The advantage is that there is less code to write and less variables to manage.

To my knowledge, I think that to be able to write for loop in this format, we need the 'words' being an instance of a class which implements Iterable interface and override the iterator () function. …