title: incrementing array list by a certain value?
body: <p>I have a sorted array list and I want to increment all values by a certain value So how is the code gone be look like..</p>
  
  <p>for instance the List contains 10, 20, 30, 40, 50  </p>
  
  <p>for example If incrementing each of them by 5 result would be 15, 25, 35, 45, 55</p>