How to fetch the first element in a collection in java

Question

My question is, How to fetch the first element in a collection in java

Example :

LinkedHashSet h1 = new LinkedHashSet();   
h1.add("Ani","Broadway NY",10001);

And I want to fetch "Ani" only

How can I do this?

score 1 · Answer 1 · answered Oct 01 '17 at 22:09

1

A safe approach would be to stream it and use findFirst():

Object first = h1.stream().findFirst().orElse(null);

answered Oct 01 '17 at 22:09

Mureinik

score -1 · Accepted Answer · answered Oct 01 '17 at 22:27

-1

Iterator iterator = h1.iterator();
if (iterator.hasNext()) {
    String firstElement = iterator.next();
}

answered Oct 01 '17 at 22:27

2 Answers2