JAVA VIRTUAL MACHINE
Java virtual machine is a software that works on a machine that is installed on any computer that interpreter class files.JVM creates the environment on the machine. JVM creates an environment for the interpreter for bytecode .JVA Interpreter the bytecode and according to the machine, the code generates the machine.JVM is an abstract machine that provides the run time environment in which the bytecode can be JVM plays an important role in making the Java portable.it provides the layer of abstraction between the compiled java program and the hardware platform and the operating system.
HOW TO WORK JAVA PROGRAM.
When the JVM program compiled. it generates the bytecode and bytecode is class files it is independent and after create bytecode JVM interpreter the bytecode and generate the machine code.
.Operations in java program
- Loads the code
- Verifies the code
- Execute the code
- Provide the runtime environment.
- How to JVM works
How to loads the class(class loader)
It loads the class files.THREE kinds of the class loaders one is bootstrap and the other is an extension and another one is application. Bootstrap loads the (art.jar files) and extension it loads the classes and libraries from the extension folder and system/application lads the class from where you set the classpath when writing the java program.Nested if else statement
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