explain this code in perl print $size=$#array + 1; code example

Example 1: perl print array

# Perl

# syntax
print "@<array-name>";

# example
my @AgesArray = (25, 30, 40);
print "@AgesArray"; # OUTPUT: 25 30 40

Example 2: perl array

$ages[0] = 25
$ages[1] = 30
$ages[2] = 40
$names[0] = John Paul
$names[1] = Lisa
$names[2] = Kumar