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Contents
OpenJDK21
Install from Adoptium
1 cd ~
2 wget https://github.com/adoptium/temurin21-binaries/releases/download/jdk-21.0.7%2B6/OpenJDK21U-jdk_x64_linux_hotspot_21.0.7_6.tar.gz
3 tar tvzf OpenJDK21U-jdk_x64_linux_hotspot_21.0.7_6.tar.gz
4 tar xvzf OpenJDK21U-jdk_x64_linux_hotspot_21.0.7_6.tar.gz
5 nano ~/.bashrc
6 JAVA_HOME=/home/vitor/jdk-21.0.7+6/
7 MAVEN_HOME=/home/vitor/apache-maven-3.8.6/
8 PATH=$JAVA_HOME/bin/:$PATH:$MAVEN_HOME/bin/
9 # reload bashrc
10 # . ~/bashrc
11
Records
Introduced in release 16.
To model data as data. Easy and concise manner to declare data-carrier classes that by default make their data immutable. Can be described as nominal tuples.
1 record Point(int x, int y) { }