Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Immutability in Java

Avatar for Piotr Kafel Piotr Kafel
March 19, 2013
Programming
87
0

Immutability in Java

Avatar for Piotr Kafel

Piotr Kafel

March 19, 2013

More Decks by Piotr Kafel

See All by Piotr Kafel
Reactive - land of confusion
Avatar for Piotr Kafel pkafel
0
570
Apache Kafka - short introduction
Avatar for Piotr Kafel pkafel
0
140
RxJava in Microservices World
Avatar for Piotr Kafel pkafel
1
1.2k
Whats new in Java 8
Avatar for Piotr Kafel pkafel
0
130

Other Decks in Programming

See All in Programming
スマート反転とウェブアクセシビリティ
Avatar for KAMIHARA Takumi camiha
0
210
GKE で Pod の見方を変えたら、スケールアウト時の挙動を真に捉えられた話
Avatar for Sota Takaki stkk
0
130
iOSDC Japan 2026 - Swiftで作って学ぼう！データベース自作入門
Avatar for kaseken (Kent Kaseda) kaseken
2
170
cdk deploy JawsSonic #MARATHONしながらAWSリソースをデプロイしてみよう
Avatar for アキキー | Akihisa Ikeda akihisaikeda
2
140
[GoCon2026] When Goroutines Are Not Enough: Runtime Locality in High-Throughput Go
Avatar for Takeru Hayasaka takehaya
6
2.3k
JPUG勉強会 OSSデータベースの内部構造を理解しよう(第２回)
Avatar for Atsushi Ogawa oga5
0
260
速く作れる。その次は、速く確かめられる開発へ 〜AIネイティブ開発を支える、Shift Down〜 / Can build fast. Next, moving to development where we can verify fast.
Avatar for r-kagaya rkaga
5
3.3k
Omarchy Tokyo やると聞いて UMPC 買ってセットアップしてきた
Avatar for Fumiaki MATSUSHIMA mtsmfm
0
150
マイコン向けの軽量Ruby「PicoRuby」で各種デバイスを制御するネイティブアプリの実現手法
Avatar for bash0C7 bash0c7
0
410
What We Talk About When We Talk About XP
Avatar for seki at druby.org m_seki
2
650
スマートフォンでモールス信号を送受信する 〜スマートフォンのLEDとカメラで作る光通信の設計と実装〜
Avatar for Atsuki Seo atsuki_seo
0
130
Jetpack Compose メカニズム
Avatar for Jaewoong skydoves
0
440

Featured

See All Featured
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
247
13k
Heart Work Chapter 1 - Part 1
Avatar for Lake Fama lfama
PRO
10
36k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
97
6.8k
Why You Should Never Use an ORM
Avatar for John Nunemaker jnunemaker
PRO
61
10k
Designing for Timeless Needs
Avatar for Cassini Nazir cassininazir
1
480
Bash Introduction
Avatar for André Augusto Costa Santos 62gerente
615
220k
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
890
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
1
870
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
62k
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
31
10k
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1369
210k
Winning Ecommerce Organic Search in an AI Era - #searchnstuff2025
Avatar for Aleyda Solis aleyda
2
2.1k

Transcript

  1. Immutability in Java by Piotr Kafel (@PiotrKafel)

  2. What does it mean that object is immutable ? Collections.unmodifiableCollection()

    ? Do we have some examples in JDK ?

  3. Why should I care ?

  4. How to ensure immutability ?

  5. None
  6. None

  7. But what to do in such a case ?

  8. "More computing sins are committed in the name of efficiency

    (without necessarily achieving it) than for any other single reason — including blind stupidity." W.A. Wulf

  9. Thank you !