What is the use of System class?

Java System Class is one of the core classes. One of the easiest way to log information for debugging is System.out.print() method.
System class is final so that we can’t subclass and override it’s behavior through inheritance. System class doesn’t provide any public constructors, so we can’t instantiate this class and that’s why all of it’s methods are static.
Some of the utility methods of System class are for array copy, get current time, reading environment variables.