Release Family | End Of Support Life (EOSL) |
---|---|
18 | September 2022(1) |
17 LTS | September 2029 |
16 | September 2021 |
15 | March 2021 |
14 | September 2020 |
13 | March 2020 |
11 LTS | September 2026 |
10 | September 2018 |
9 | March 2018 |
8 LTS | December 2030 |
7 LTS | July 2022 |
6 LTS | December 2018 |
5 LTS | July 2015 |
4 LTS | March 2013 |
3 LTS | April 2011 |
2 LTS | December 2003 |
1 LTS | October 2002 |
yum list | grep jdk
sudo yum remove java-1.7.0-openjdk.x86_64 -y
sudo yum install java-1.8.0-openjdk-devel.x86_64 -y
sudo add-apt-repository ppa:openjdk-r/ppa
sudo apt-get update
sudo apt-get install openjdk-8-jdk -y
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo apt-get install oracle-java8-set-default
export JAVA_HOME="$(/usr/libexec/java_home -v 1.8)"
패키지(package)
클래스(class)
메소드(method)
명령문(statement)
자바의신 1권 20p
들여쓰기(indent)
예약어(reserved word)