JVM stands for Java Virtual Machine. It is an abstract computing machine that is responsible for executing Java programs. When you write a Java program, the source code is compiled into byte code which is understandable by the JVM.

Where does a java program start executing?

Running a Java Program. button Java starts execution in the main method as shown in the code below ( public static void main(String[] args) ). The body of the main method is all the code between the first { and the last } .

What is the responsibility of JVM in program execution?

The JVM has two primary functions: to allow Java programs to run on any device or operating system (known as the "Write once, run anywhere" principle), and to manage and optimize program memory. ... Everyday definition: The JVM is how we run our Java programs.