Java-Data-Structures/Node.java at master · JakeSchwa/Java-Data-Structures · GitHub

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package edu.cofc.cs.csci230;

/**
 * A node with only one pointer (i.e. to the next
 * node in front of it) to be used in a singly
 * linked list linear data structure
 *
 * @author CSCI 230: Data Structures and Algorithms Fall 2016
 *
 * @param <AnyType>
 */
public class Node<AnyType extends Comparable> {

	// instance variables
	private AnyType data;
	private Node<AnyType> nextNode;

	/**
	 *
	 * @param data
	 */
	public Node( AnyType data ) {

		setData( data );

	} // end constructor

	/**
	 *
	 * @param data
	 */
	public void setData( AnyType data ) {

		this.data = data;

	} // end setData() method

	/**
	 *
	 * @return
	 */
	public AnyType getData() {

		return data;

	} // end getData() method

	/**
	 *
	 * @param nextNode
	 */
	public void setNextNode( Node<AnyType> nextNode ) {

		this.nextNode = nextNode;

	} // end setNextNode() method

	/**
	 *
	 * @return
	 */
	public Node<AnyType> getNextNode() {

		return nextNode;

	} // end getNextNode() method


	/**
	 *
	 */
	public String toString() {

		if ( getNextNode() != null ) {

			return String.format("%s -> %s\n", getData().toString(), getNextNode().getData().toString() );

		} else {

			return String.format( "%s -> NULL\n", getData().toString() );

		}

	} // end toString() method

} // end Node class definition