Loops in Perl

Faq.txt

Q1. what is last statement in Perl?
ans: last statement is use to break out of a running loop.

Q2.How can we skip to the next iteration in a loop?
ans we can use next statement to skip to the next iteration of a loop.

Q3.How many type of loop are there in perl?
ans: There are three types :- for loop, while loop and do while loop.

Q4.What is the syntax for for loop?
ans : for(initialize;condition;updation){}

Mcq.txt

Q1. What will be the output of the statement?
    for(my$i=0;;$i++)
    {
        print"hello";
    }

a) hello
b) hellohellohello......infinite
c) none of the above
d) error

ans: b)

Q2. What will be the output?
    my $i=0;
    while($i<3)
    {
        unless($i==2)
        {print "hello";}

        print "pep";
        $i++;
    }

a)pepepehellopep
b)hellopephellopeppep
c)hellopephellopephellopep
d)none of the above

ans: b)

Q3.   my $i=0;
      do{
          print"hello";
          $i=5;
      }while($i>0 and $i<5);
      
How many time will "hello" be printed :

a) 1
b) 2
c) infinite
d) none of the above

Q4.What will be the output:
    
    my $i=0;
    while($i<5){
        if($i==4)
        {
            print $i++;
            next;
        }
        $i++;
    }

a) 4
b) 5
c) 3
d) none of the above

ans: a)