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LinkedList

How to build a LinkedList by FredrikN
Posted: 18 Apr 03

This is an example how you can use a LinkedList to add cars  
and then write out the data .

Any questions can be send to fredrick.n@thegate.nu

-----------------------------------------------------------

public class Driver
{

    public static void main(String[] arg)
    {
    
        LinkedList list = new LinkedList();
        
        list.addCar("Porsche 911",312,1994);
        list.addCar("Porsche 911",284,1992);
        list.addCar("BMW M3 ",286,1993);
        list.addCar("Volvo 850",170,1992);
        list.addCar("VW VR6",170,1997);
        
        //Method to print all objects in List
        
        System.out.println(list.viewAll());
            
    }
}

-----------------------------------------------------------
import java.util.*;
public class LinkedList
{
    
    private CarNode head = null;
    
    public void addCar(String name , int hk , int year)
    {    
        //If head = null then create the first node
        if(head == null)
        {
            head = new CarNode(name,hk,year,null);
        }
        else
        {
            //If there are more than 1 node
            head = new CarNode(name,hk,year,head);            
        }
                
    }



    public String viewAll()
    {
            
        StringBuffer str = new StringBuffer();    
                
        for(CarNode cursor = head ; cursor != null ; cursor = cursor.getNext())
        {
            //Appending car by car until there are no more cars
            str.append(cursor+"\n");
        }
        return new String(str);
        
    }

    
}
-----------------------------------------------------------
public class CarNode
{
    private String namn;
    private int hk;
    private int year;
    private CarNode next;
    
    public CarNode(String namn,int hk,int year,CarNode next)
    {
        this.namn = namn;
        this.hk = hk;
        this.year = year;
        this.next = next;
            
    }



    public CarNode getNext()
    {
        return next;
    }
    
    
    public String toString()
    {
        return namn + " " + hk + " " + year;
    }
}
-----------------------------------------------------------

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