Generic singly linked list in java(with test class) : fully commented

This program implements a Generic Singly Linked List in Java.

It contains:

Class definition and following methods:

• add(item)
  
• addFirst(item)
  
• addLast(item)
  
• add(index, item)
  
• remove(item)
  
• remove(index)
  
• removeFirst()
  
• removeLast()
  
• removeAll()
  
• peekFirst()
  
• peekLast()
  
• peek(index)
  
• toArray()
  
• contains(item)
  
• size()
  
• isEmpty()
  
• reverse()

It also contain custom exception classes.