Apple recently changed the way it includes Java in Mac OS, and with Lion, Java is no longer preinstalled.It is now an optional install that you must select.Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/lib/jvm/java-7-oracle/jre/bin/java 1062 auto mode 1 /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/java 1061 manual mode 2 /usr/lib/jvm/java-7-oracle/jre/bin/java 1062 manual mode Press enter to keep the current choice[*], or type selection number: It is the same selection screen as the previous command and should be used in the same way.This command can be executed for all other commands which have different installations.Until the update is completed, this process will remind you that a newer secure version is available for your system.You should leave this process running in order to ensure getting the latest secure Java version.Instead, change preferences for how often you'd like to be notified of newer versions.The default setting is to notify on a weekly basis.
If you instead need the Java Development Kit (JDK), which is usually needed to compile Java applications (for example Apache Ant, Apache Maven, Eclipse and Intelli J IDEA execute the following command: The Oracle JDK is the official JDK; however, it is no longer provided by Oracle as a default installation for Ubuntu. To install any version, first execute the following commands: There are 2 choices for the alternative java (providing /usr/bin/java).
You may have to enter your system password to complete.
When you first use Adobe products that require the Java runtime, you may be prompted to install the Java runtime.
Java allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few.
Java software for your computer, or the Java Runtime Environment, is also referred to as the Java Runtime, Runtime Environment, Runtime, JRE, Java Virtual Machine, Virtual Machine, Java VM, JVM, VM, Java plug-in, Java plugin, Java add-on or Java download.