Question

1a) Write the start of the class declaration for a node in a linked list (give the name of the class and the instance variables). The name of the node should be SpecialNode. The data in each SpecialNode will include both a String and a Song object.

b)Using the SpecialNode class you created in question above, write a constructor forSpecialNode that has three parameters and initializes all the SpecialNode instance variables.

c) Write a line of code to instantiate a SpecialNode object to initialize the SpecialNodeinstance variables. Use the constructor you wrote in the previous question.

Song rockstar = new Song("Rockstar", 5);

SpecialNode sn = ___________________________________ ;

Answer 1

Short Summary:

• Since you did not provide Song class, I assumed it to be name and rating and shown you the sample song class
• SpecialNode object accepts a string , a sonf object and a next node

Song.java File:

public class Song {
   private String name;
private int rating;
  
Song(String name, int rating){
this.name = name;
this.rating = rating;
}
}

SpecialNode.java File:

public class SpecialNode {
   private String data;
private Song song;
private SpecialNode next;

// Constructor to create a new node
SpecialNode(String data, Song song, SpecialNode next) {
   this.data = data;
   this.song = song;
   this.next = next;
}
}

LinkedListTest.java File:

public class LinkedListTest {
   public static void main(String[] args) {
       Song rockstar = new Song("Rockstar", 5);
       SpecialNode sn = new SpecialNode("MyList", rockstar, null);
   }
}

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