/*
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 * and open the template in the editor.
 */

package tradsecexempel;

import java.util.logging.Logger;

/**
 *
 * @author Administrator
 */

//DEFINIERAR KLASS FÖR LÄNKAD LISTA
class LankadLista
{
   int tal;
   LankadLista next;
}

public class Main
{
    public static void main(String args[])
    {
        //int tabb[] = new int[50];
        boolean last = false;
        LankadLista l = new LankadLista();
        LankadLista forsta = new LankadLista();
        LankadLista sista = new LankadLista();
        forsta = sista = l;
        l.tal = 7;
        l.next = null;
        
        //JUST NU HAR VI EN NOD I LISTAN:
        //.........
        //. 7 . X .
        //.........
        
        
        LankadLista l2 = new LankadLista();
        l2.tal = 8;
        l2.next = l.next;
        sista = l2;
        l.next = l2;
        
        //JUST NU HAR VI TVÅ NODER I LISTAN:
        //.........     .........
        //. 7 .   .---->. 8 . X .
        //.........     .........
        
        //VISAR ALLA NODER I LISTAN PÅ BILDSKRÄMEN
        for(LankadLista current = forsta; !last; current = current.next)
        {
            System.out.println(current.tal);
            if(current.next == null) last = true;
        }
        //----------------------------------------
        last = false;

        //SÄTTER IN EN NY NOD GENAST EFTER DEN NODEN SOM INNEHÅLLER DATAT 7
        for(LankadLista current = forsta; !last; current = current.next)
        {
            if(current.tal == 7)
            {
                LankadLista nyobj = new LankadLista();
                nyobj.tal = 2;
                nyobj.next = current.next;
                current.next = nyobj;
            }
            if(current.next == null) last = true;
        }
          //---------------------------------------------------------------

        //JUST NU HAR VI TRE NODER I LISTAN:
        //.........     .........      .........
        //. 7 .   .---->. 2 .   .----->. 8 . X .
        //.........     .........      .........
        
        
         //VISAR ALLA NODER I LISTAN PÅ BILDSKRÄMEN
        last = false;
        System.out.println("--------");
        for(LankadLista current = forsta; !last; current = current.next)
        {
            System.out.println(current.tal);
            if(current.next == null) last = true;
        }
          //----------------------------------------

        //TAR BORT DEN NOD UR LISTAN SOM INNEHÅLLER DATAT 8
        LankadLista curr = forsta;
        LankadLista foreg = curr;
    
        last = false;

        for(; !last; curr = curr.next)
        {
            if(curr.tal == 8)
            {
                foreg.next = curr.next;
            }
            if(curr.next == null) last = true;
            foreg = curr;
        }
        //--------------------------------------------------
        
        
        //JUST NU HAR VI TVÅ NODER I LISTAN:
        //.........     .........
        //. 7 .   .---->. 2 . X .
        //.........     .........
        
        //VISAR ALLA NODER I LISTAN PÅ BILDSKRÄMEN
        System.out.println("--------");
        last = false;
        for(LankadLista current = forsta; !last; current = current.next)
        {
            System.out.println(current.tal);
            if(current.next == null) last = true;
        }
        //-----------------------------------------
    }
}