---
type: archive
area: archive
status: archived
date: 2026-05-03
created: 2026-05-03
updated: 1980-01-01
tags:
  - archive
---
![[img-20240813-231253-251cd052.png]]
- SequencedSet an ordred set
![[img-20240813-231740-c37d353b.png]]
- Red ones are Java 21 new features
- We can create a collection based on other collection
- array.remove(object) it removes the first occurence of that object 
- LoadFactor is measure of how full the hash table is allowed to get before its capacity is automatically increased (default 0.75)
- Set don't store duplicates
- Set checks for duplicates using equal methods.
- Order in set is randomly
- Deque represents collecctions that implments Fifo and LIFO
- <mark style="background: #FF5582A6;">Sequence collections data is not sorted!!!!</mark>
![[img-20240814-002056-888d262e.png]]
- By using this interface you can define a condition on a List and remove the based on this condition

![[img-20240814-034700-9e5746a8.png]]