These languages are called compiled languages. In programming languages like C and C++, the code is first compiled into platform-specific machine code. These virtual machines are isolated from each other. We can call the virtual machine the guest machine, and the physical computer it runs on is the host machine.Ī single physical machine can run multiple virtual machines, each with their own operating system and applications. What is a Virtual Machine?īefore we jump into the JVM, let's revisit the concept of a Virtual Machine (VM).Ī virtual machine is a virtual representation of a physical computer. In this article, we will learn more about the JVM, how it works, and the various components that it is made of. All of these languages are collectively known as JVM languages.
However, over the time, many other languages such as Scala, Kotlin and Groovy were adopted on the Java platform. JVM was initially designed to support only Java. You can write Java code on one machine, and run it on any other machine using the JVM. JVM is the core of the Java ecosystem, and makes it possible for Java-based software programs to follow the "write once, run anywhere" approach.
Whether you have used Java to develop programs or not, you might have heard about the Java Virtual Machine (JVM) at some point or another.
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