Slef- referential Class
In order to design a node a special type of class is used often called as Self-referential class i.e., A class having a variable of same class type. class Link { ------ ------ //Data ------ Link next; } Ex:- class Link { public int rollNo; public String name; public Link next; public Link (int rNo, String n) { rollNo=rNo; name=n; } public void displayLink () { System.out.print("{"+rollNo+","+name+"}"); } }