Answer Posted / dilip yadav

System- public final class System extends Object

The System class contains serveral useful class
fields and methods.it cannot be instantiated

out-

The out variable in the System class refers to (points
to) an instance of the PrintStream class (a PrintStream
object) which is automatically instantiated when the System
class is loaded into the application.

println()-the println() methods in class PrintStream.

System.out.prinln("HI DILIP ");

This statement invokes the println() method of an object of
the PrintStream class which is referred to (pointed to) by
the variable named out which is a class variable of the
System class.

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