fig14_12.pl

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig. 14.12: fig14_12.pl
# Overriding base class methods.

use strict;
use warnings;
use Employee2;
use Hourly2;
use Boss;

my $worker = new Employee2( "Jason", "Black", "8/5/1995" );

print( $worker->firstName(), " ", 
       $worker->lastName(), " was hired on " );
$worker->hireDay();
print( ".\n" );
$worker->write();
print( "\n" );

my $hour = new Hourly2;

$hour->firstName( "John" );
$hour->lastName( "White" );
$hour->hireDay( 11, 30, 1999 );
$hour->rate( 9.50 );
print( $hour->firstName(), " ", 
       $hour->lastName(), " was hired on " );
$hour->hireDay();
print( ".\n" );
printf( "This worker makes \$%.2f per hour.\n", $hour->rate() );
$hour->write();
print( "\n" );

my $boss = new Boss;

$boss->firstName( "George" );
$boss->lastName( "Red" );
$boss->hireDay( 5, 31, 1979 );
$boss->title( "manager" );
print( $boss->firstName(), " ", 
       $boss->lastName(), " is the boss.\n" );
print( "This worker was hired " );
$boss->hireDay();
print( " and their title is ", $boss->title(), ".\n" );
$boss->write();
print( "\n" );

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