Class:– It is a keyword which is used to declare a class. It is also called User defined data type.
Public:– It is a keyword which is called access specifier. Three type access specifier used in java.
Void:- It is a keyword. This method not should a return value.
main():- It is a entry point of any program.
Stringargs:- It is a command line argument.
System.out.println:– It is used to print the data on the output screen.