sudo apt-get install openjdk-11-jdk $ sudo update-alternatives –config java There are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status * 0 /usr/lib/jvm/java-9-openjdk-amd64/bin/java 1500 auto mode 1 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1500 manual mode 2 /usr/lib/jvm/java-9-openjdk-amd64/bin/java 1500 manual mode

import java.awt.datatransfer.StringSelection; import java.awt.Toolkit; import java.awt.datatransfer.Clipboard; String testString = “Text that needs to be copied into clipboard”; StringSelection stringSelectionObj = new StringSelection(testString); Clipboard clipboardObj = Toolkit.getDefaultToolkit().getSystemClipboard(); clipboardObj.setContents(stringSelectionObj, null);

/exit

long startTime = System.nanoTime(); someProcessing(); long endTime = System.nanoTime(); //timeDuration will be in milliseconds, Divide by 1000000 to get milliseconds. long timeDuration = (endTime – startTime);

import java.util.ArrayList; import java.util.List; import java.util.Random; class TestJava { public static void main(String[] args) { List subjects = new ArrayList(); subjects.add(“Java”); subjects.add(“C”); subjects.add(“C++”); subjects.add(“MySQL”); subjects.add(“Oracle”); Random randomizer = new Random(); String randomListElement = subjects.get(randomizer.nextInt(subjects.size())); System.out.println(“Random List Element: ” +randomListElement); } } Output: Random List Element: MySQL

fileWriter.write(System.lineSeparator());

player.spigot().sendMessage( ChatMessageType.ACTION_BAR, new TextComponent(“Your Message for Action Bar”));

(int) (Math.random()*(max-min+1)+min)

1.8 1.8