title: Confusion about data structures- List, Set and Map
body: <p>I have gone through Java Collections elements- <code>List, Set and Maps.</code> According to my research, I found:</p>
  
  <p><img src="https://i.stack.imgur.com/dwwMm.jpg" alt="enter image description here"></p>
  
  <p>Are my findings correct or not? Actually I wanted to know about the performance issues of these collections. What would be the performance if I have to <code>add, retrieve and search</code> data in each collections?</p>