Java, JVM, JDK, JRE, OpenJDK, Tomcat, Java Management Extensions (JMX), Apache Maven, Gradle, Micronaut, RMI, JNDI, Log4j, Spring framework, Java version history, .jar
, .war
, .ear
, Java annotations, Java code coverage tools, JMS, Java 8, Java 10, /bin/java, Invalid Java version