No you have to install it and it is platform dependent.
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Windows, Solaris, Linux, & Apple OSX...
Modern machines do not consist of multiple levels of virtual machines; that is a function of the host operating system's virtual machine manager and its guest operating systems, all of which are implemented through software. The operating system's virtual machine manager exposes one or more virtual machines upon which you can host one or more guest operating systems and their applications. In order to execute compiled Java applications upon one of these guest operating systems you will also need to install the Java virtual machine for that specific operating system. Thus you end up with a Java program executing within a Java virtual machine executing within a virtual machine executing within a virtual machine manager executing upon the physical hardware. The physical hardware itself may be optimised to handle virtual machine managers more efficiently, but the virtual machine manager is a software program; it is not part of the physical machine architecture
There are many places that claim to be trustworthy downloads for the Java Virtual Machine, but most of those sites can be a very big risk to the safety of one's computer. The most trustworthy vendor of the Java Virtual Machine is the Java website which also offers downloads to the latest updated versions of the JDK and other Java products.
In stack
1.Java virtual machine is required to interpret .class files. 2.JVM makes the java as platform independent.
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Java virtual machine
Windows, Solaris, Linux, & Apple OSX...
One could find more information about the Java Virtual Machine online on various websites such as 'Wikipedia', 'Java-Virtual-Machine' and of course the website 'Java'.
Java virtual machine
Modern machines do not consist of multiple levels of virtual machines; that is a function of the host operating system's virtual machine manager and its guest operating systems, all of which are implemented through software. The operating system's virtual machine manager exposes one or more virtual machines upon which you can host one or more guest operating systems and their applications. In order to execute compiled Java applications upon one of these guest operating systems you will also need to install the Java virtual machine for that specific operating system. Thus you end up with a Java program executing within a Java virtual machine executing within a virtual machine executing within a virtual machine manager executing upon the physical hardware. The physical hardware itself may be optimised to handle virtual machine managers more efficiently, but the virtual machine manager is a software program; it is not part of the physical machine architecture
Download virtual box by java
Java is defined by a specification and consists of a programming language, a compiler, core libraries and a runtime (Java virtual machine) The Java runtime allows software developers to write program code in other languages than the Java programming language which still runs on the Java virtual machine. The Java platform is usually associated with the Java virtual machine and the Java core libraries.
There are many places that claim to be trustworthy downloads for the Java Virtual Machine, but most of those sites can be a very big risk to the safety of one's computer. The most trustworthy vendor of the Java Virtual Machine is the Java website which also offers downloads to the latest updated versions of the JDK and other Java products.
The Java platform, which consists 3 major parts: Java programming language, Java Virtual Machine (JVM), and several Java Application Programming Interfaces (APIs), was developed at Sun Microsystems in the early 1990s.
You will no longer be able to run Java programs.