Chapter 12.3, Problem 22STQ

Explanation of Solution

Inner class in Java:

• Inner class is a class which is defined within other classes. User can easily understand this class.
• Defining an inner class is very simple that one should include the definition of the inner class within another class.

Example:

The example of inner class is given below:

/* Define "sampleLinkedList" class */

public class sampleLinkedList

{

  private ListNode head;

/* Method definition of "sampleLinkedList" is inserted here...