The object members comprise the class and define the methods and the data members worked on by those methods. A class is instantiated, meaning that the use of a library-defined class is used for an instance of its use. The object members, whose name reflects a type that names the class, are concretely defined. Perl is an object-oriented, high-level programming language, meaning that its classes are the abstraction. Variables, a data-type that are normally declared prior to being initialized (or assigned a value), do not have to be declared in Perl. Perl has many unique characteristics: anyone who has ever been involved with programming languages has dealt with variables. A programming language is normally compiled, but Perl, the Practical Extraction and Report Language, is interpreted by using the Perl interpreter. Perl is a powerful programming language that is well known in its community for the development of security tools. Learning how to program can be difficult and is, perhaps, best done by reading well-written programs.
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