title: How to use 2D array in selenium webdriver
body: <p>Hi i want to use 2D array in my code.
  I am using that in loop to point element to each other. 
  I am trying 2D arrays,
  a[i]=b[j]
  in array a[i] i am going to store some xpath and in another array b[j] i want to store their values.i am using ruby plus selenium.</p>