Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Invited Talk at TU Dortmund
Search
Martin Lippert
June 05, 2023
Programming
0
110
Invited Talk at TU Dortmund
Martin Lippert
June 05, 2023
Tweet
Share
More Decks by Martin Lippert
See All by Martin Lippert
OCX / EclipseCon 2024: GitHub Copilot + Spring: Making AI-Assisted Coding Spring Aware
martinlippert
2
58
OCX / EclipseCon 2024: Spring Tools Live - All the Great New Things
martinlippert
0
44
JUG Saxony Day 2023: Upgrade to Spring Boot 3? Spring Tools to the Rescue!
martinlippert
1
85
code.talks 2023: The Sustainability Mythbuster
martinlippert
0
94
The Sustainability Mythbuster
martinlippert
0
76
JCON_ONLINE_2022__From_Zero_to_Spring_Boot_Hero_using_GitHub_Codespaces.pdf
martinlippert
0
73
Devoxx UK 2022: Sustainability in Software Engineering - Today and Tomorrow
martinlippert
0
150
Java Cro 2022: Bootiful Spring Tooling for the Masses
martinlippert
0
140
Sustainability in Software Engineering - How to make a difference
martinlippert
1
120
Other Decks in Programming
See All in Programming
TypeScript を活かしてデザインシステム MCP を作る / #tskaigi_after_night
izumin5210
4
480
從零到一:搭建你的第一個 Observability 平台
blueswen
0
220
少数精鋭エンジニアがフルスタック力を磨く理由 -そしてAI時代へ-
rebase_engineering
0
130
CQRS/ESのクラスとシステムフロー ~ RailsでフルスクラッチでCQRSESを組んで みたことから得た学び~
suzukimar
0
190
型付け力を強化するための Hoogle のすゝめ / Boosting Your Type Mastery with Hoogle
guvalif
1
230
〜可視化からアクセス制御まで〜 BigQuery×Looker Studioで コスト管理とデータソース認証制御する方法
cuebic9bic
1
270
Practical Domain-Driven Design - Workshop at NDC 2025
mufrid
0
130
tsconfigのオプションで変わる型世界
keisukeikeda
1
130
TypeScriptのmoduleオプションを改めて整理する
bicstone
4
420
漸進。
ssssota
0
1.1k
TypeScript エンジニアが Android 開発の世界に飛び込んだ話
yuisakamoto
6
950
RubyKaigi Hack Space in Tokyo & 函館最速 "予習" 会 / RubyKaigi Hack Space in Tokyo & The Fastest Briefing of RubyKaigi 2026 in Hakodate
moznion
1
120
Featured
See All Featured
Rebuilding a faster, lazier Slack
samanthasiow
81
9k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.3k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
123
52k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
840
What’s in a name? Adding method to the madness
productmarketing
PRO
22
3.5k
Unsuck your backbone
ammeep
671
58k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
31
1.2k
What's in a price? How to price your products and services
michaelherold
245
12k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
106
19k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
47
2.8k
GraphQLの誤解/rethinking-graphql
sonatard
71
11k
Transcript
Martin Lippert, Spring Tools Lead & Sustainability Ambassador @ VMware
June 2023 Invited Talk TU Dortmund
Why are you here?
Who am I ?
Software Engineer
Spring Tools Lead
None
VMware Apple Google Xerox PARC Stanford University Meta Intel Tesla
How I started
Schneider CPC 664 Z80 processor @ 4Mhz, 64 KB RAM
https://de.wikipedia.org/wiki/Amstrad_CPC#/media/Datei:Schneider_664_en.jpg 1985
Atari 1040 ST Motorola 68000 processor @ 8Mhz, 1024 KB
RAM @ Bill Bertram, 2006, https://de.wikipedia.org/wiki/Atari_ST#/media/Datei:Atari_1040STf.jpg
Atari TT 030 Motorola 68030 processor @ 32Mhz, 4 MB
RAM https://de.wikipedia.org/wiki/Atari_TT#/media/Datei:Atari_TT030.JPG
Apple Power Macintosh 6100 PowerPC 601 @ 60Mhz, max 72
MB RAM MIKI Yoshihito - https://www. fl ickr.com/photos/mujitra/13981566927/
On the software side?
None
Today
Software is everywhere
Software changes the world
How to develop truly great software?
Structure
Design Patterns Elements of Reusable Object-Oriented Software by Erich Gamma,
Richard Helm, Ralph Johnson, John Vlissides
Refactoring Improving the Design of Existing Code by Martin Fowler
Feedback Cycles
JUnit
Test-Driven Development
Test Driven Development By Example by Kent Beck
User Feedback
"Real Artists Ship" Steve Jobs
Agile Software Development
Extreme Programming Explained by Kent Beck
Distributed Systems
APIs and Evolution
Eat Your Own Dogfood
Test at scale
"Hello World" always work
Massive amounts of data
public long calculate(List<Order> orders) { long sum = 0; for(int
i = 0; i < orders.size(); i++) { sum += orders.get(i).getPrice(); } return sum; } What is the problem here?
Complexity Matters
t(n) = n6 vs. t(n) = 2n 103 machines in
parallel 109 operations per second n = 100 1s universe doesn’t exist long enough
"software is getting slower more rapidly than hardware is becoming
faster" Wirth’s Law
Back to the beginning
Running on Motorola 68030 processor @ 32Mhz, 4 MB RAM
What comes next?
Vulnerabilities CVEs are now part of your daily life
GenAI (probably more ML + LLM than intelligence)
Decarbonization super important
"The best way to predict the future is to invent
it" Alan Kay
Thank You for listening Martin Lippert @martinlippert