HashSet vs LinkedHashSet

Question

What is the difference between them? I know that

A LinkedHashSet is an ordered version of HashSet that maintains a doubly-linked List across all el

Answer 1

HashSet: Unordered actually. if u passing the parameter means

Set set=new HashSet();
for(int i=0;i

Out Put: May be 2,1,3 not predictable. next time another order.

LinkedHashSet() which produce FIFO Order.