Java 20

1 9 9 5

1 9 9 5 - 2 0 1 5

H O W D I D J AVA S U R V I V E ?

D O T- C O M B U B B L E M O B I L E P H O N E S M U LT I - C O R E R E V O L U T I O N T H E C L O U D B I G D A TA

E V O LV E D

• Open Source

• Backwards Compat

• Polyglot

• Concurrency

• Portability

E M B R A C E D C H A N G E !

J AVA R E N A I S S A N C E

N E T F L I X T W I T T E R G O O G L E

J O E K U T N E R@ C O D E F I N G E R

H E R O K U

1 9 9 5

S U N M I C R O S Y S T E M S

1 9 9 5

N E T S C A P E

A P P L E T S !

S E R V E R - S I D E J AVA

J D K 1 . 2

• Just-In-Time Compiler

• Reflection

• Collections

• Database libraries

• Swing

• Java Micro Edition

1 9 9 8

D O T- C O M B U B B L E

S U N M I C R O S Y S T E M S

$ 2 5 0 / S H A R E

$ 1 0 / S H A R E

J C PJ A VA C O M M U N I T Y P R O C E S S

J AVA S P E C I F I C AT I O N R E Q U E S T ( J S R )

• IPv6

• Regex

• Assertions

• Logging API

• New I/O

2 0 0 4

M O O R E ’ S L A W : C L O C K R A T E C U R V E S F L A T T E N O U T

2 0 0 4

C A N C E L E D I T S N E X T- G E N C H I P T O F O C U S O N D U A L - C O R E

J D K 1 . 5

• Concurrency

• Generics

• Other stuff

C O M P E T I T I O N

B E N C H M A R K S

P E R F O R M A N C E

• Concurrent Garbage Collection

• Non-Uniform Memory Access

• Large Page Support

• Heap Compaction

B A D AT $ $ $

S U N M I C R O S Y S T E M S

P O L I T I C S

A PA C H E H A R M O N Y

2 0 0 6

J D K 6 : L A S T R E L E A S E F O R 5 Y E A R S

P O LY G L O T

Scala

C l o ju re

2 0 0 7 - 2 0 0 9

S T I L L B A D A T M A K I N G M O N E Y

O P E N J D K

G N U G P L L I C E N S E

2 0 0 9

N O T H I N G F O R A W H I L E

J D K 7

• Project Coin

• Meh

• InvokeDynamic

2 0 1 1

B I G D ATA

P R O G R E S S

J D K 8

• PermGen Removal

• Security

• Lambdas

• Streams

• Compact Profiles

2 0 1 4

http://spectrum.ieee.org/computing/software/top-10-programming-languages

N A S A

http://jaxenter.com/developing-nasas-mission-software-with-java-108114.html

B L U - R AY

http://news.cnet.com/Java-to-appear-in-next-gen-DVD-players/2100-1046_3-5766409.html

I N D U S T R I A L R O B O T S

http://www.oracle.com/us/solutions/internetofthings/java-iot-industrial-automation-2430562.pdf

N E T F L I X

2 Billion Content Requests Per Day

57.4 Million Subscribers

33% of North American downstream traffic

http://www.oraclejavamagazine-digital.com/javamagazine_twitter/20150304#pg22

Scala

T W I T T E R

1.6 billion search queries per day

302 million active users

340 million tweets per day

http://www.benzinga.com/news/earnings/15/04/5452400/twitter-mau-were-302m-for-q1-up-18-yoy

Scala

J D K 9

• Project Jigsaw

2 0 1 6

J AVA R E N A I S S A N C E

C L O U D I O T M O B I L E B I G D A TA

J O E K U T N E R@ C O D E F I N G E R

H E R O K U