Java

Download JDK for Java 8 from Oracle’s web-site. Unpack archive to let’s say /usr/lib/jvm/jdk1.8.0/ Update java alternatives: sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0/bin/java" 1 sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0/bin/javac" 1 sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.8.0/bin/javaws" 1 Select alternatives: sudo update-alternatives --config java Select an option corresponding to new path. Do the same for sudo update-alternatives --config javac sudo update-alternatives --config javaws Update JAVA_HOME using gksudo gedit /etc/environment Don’t forget to rerun terminal or reboot....

Часть 1: https://habrahabr.ru/post/274811/ Часть 2: https://habrahabr.ru/post/274905/

Initializa list: 1 List<String> names = Arrays.asList("Bob", "John", "Alice");