Array Loop « Array « Perl

1.Running through Arrays
2.double each element of an array
3.Using array length in for loop
4.Reference two arrays in foreach statement
5.Using nested for loop to initialize two-dimensional array
6.Using for loop with array
7.Using for each with $_ variable
8.Using foreach to change the value in an array
9.Loop through a list

10.Loop through the array and replace every undefined value with an actual value.
11.Using dereferenced array in foreach loop