What is lexical variable in perl?
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What is confess function in perl?
“The methods defined in the parent class will always override the methods defined in the base class”. What does this statement means?
What are the various advantages and disadvantages of perl?
How would you replace a char in string and how do you store the number of replacements?
What does the command "use strict" do and why should you use it?
If you want to empty an array then how would you do that?
What is the use of "stderr()"?
while(my($key, $value) = each(%hash) ) { print "$key => $value\n"; } my($key, $value); while(($key, $value) = each(%hash) ) { print "$key => $value\n"; } What is the different between these two code in case of "my" usage ?
How can you use Perl warnings and what is the importance to use them?
Why -w argument is used with perl programs?
Which has the highest precedence, List or Terms? Explain?
What are scalar data and scalar variables?