Printing HashMap In Java

Question

I have a HashMap:

private HashMap example = new HashMap();

Now I would lik

Answer 1

Worth mentioning Java 8 approach, using BiConsumer and lambda functions:

BiConsumer consumer = (o1, o2) -> 
           System.out.println(o1 + ", " + o2);

example.forEach(consumer);

Assuming that you've overridden toString method of the two types if needed.