From no experience to actually building stuff. Is it possible Alpha Zero will eventually solve chess? For each loop is meant for traversing items in a collection. If the LinkedHashSet contains a very large number of elements, it may slow down the code and impact the performance. Source code in Mkyong.com is licensed under the MIT License, read this Code License. This example shows how to get the first or last element from LinkedHashSet in Java. Why are so many coders still using Vim and Emacs? I will skip the javally-correct person's suggestion to this situation. You … If I have a bunch of classes that share the same "key" is there a way to get an element from the set if all I know is the key. You want the lookup to exactly compare the key values (the int in your example), meaning the equals() and hashCode() have to use exactly these key values, nothing more and nothing less. Now you can get highest value element from set by using last() method depending on your How to avoid damaging spoke nipples when wheel building. I'd recommend against a Map
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