When does the "require" function load?

Which are the configuration types in Spring?

Which function returns true if the named key exists in a Hash?

Autoloading of Perl functions is analogous to dynamic loading of compiled ____ functions?

The last and next statements are ideal for ............. that check for exceptional conditions?

What will be printed by the code below? my $val = bless {}, 'MyClass'; print ref($val);

Perl -I, what is 'l' meant for?

What would be $x after my $x = '5' x '4';

All arguments to a subroutine are passed as:

What does unshift do?

$@ is used in association with the ____ function.