Complete the Link class by writing methods described below. Do not use loops, on

Question

Complete the Link class by writing methods described below. Do not use loops, on create any more methods (other than those specified), class or instance variables. public class Link private Link next; //null if this is the last link private int value public Link(Link n. int v) next n; value = v; Do not use loops, or create any more methods (other than those specified), class or instance variables. 1. Write a recursive instance method count that takes no parameters and returns an int. Return the number of links that hold the value zero, with the exception that the last link in the list is not included in the count. For example, for the linked list, {(first) 503100 (last) it would return the value 2.

Explanation / Answer

Method Count:

//pass first link as parameter to get count of zeros

Public int count(Link link) {

if(link.next==null||link==null){

return 0;

} else if (link.value==0) {

return 1+count(link.next) ;

} else{

return count(link.next) ;

}

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