Zug

SEW4/bin/.gitignore

@@ -11,3 +11,4 @@
 /pLF4_HexBinCalc/
 /Testing/
 /ue905_Sportgeräteverwaltung/
+/ue_916_ZugDoppeltBesser/

SEW4/src/ue_916_ZugDoppeltBesser/Waggon.java

+package ue_916_ZugDoppeltBesser;
+
+/****************************************************************************************************
+ * 
+ * TODO (lösche TODO und füge hier deinen Kommentar ein!)
+ *
+ * @author Sven Marceta
+ * @version 1.0
+ *
+ ****************************************************************************************************
+ */
+
+//---------------------------------------------------------------------------------------------------
+public abstract class Waggon
+{
+	// -------------------------------------------------------------------------------------
+	// Instanzvariablen/Klassenvariablen
+	private String art;
+	private int sitzplaetze;
+	private Waggon next;
+	private Waggon prev;
+
+	// -------------------------------------------------------------------------------------
+	// KONSTRUKTOR oder main
+	public Waggon (String art, int sitzplaetze)
+	{
+		this.art = art;
+		this.sitzplaetze = sitzplaetze;
+	}
+
+	
+	// -------------------------------------------------------------------------------------
+	// INSTANZMETHODEN
+
+
+	// -------------------------------------------------------------------------------------
+	// GETTER / SETTER 
+	/**
+	 * @return the next
+	 */
+	public Waggon getNext()
+	{
+		return next;
+	}
+	/**
+	 * @param aNext the next to set
+	 */
+	public void setNext(Waggon waggon)
+	{
+		this.next = waggon;
+	}
+	/**
+	 * @return the prev
+	 */
+	public Waggon getPrev()
+	{
+		return prev;
+	}
+	/**
+	 * @param aPrev the prev to set
+	 */
+	public void setPrev(Waggon aPrev)
+	{
+		prev = aPrev;
+	}
+	/**
+	 * @return the art
+	 */
+	public String getArt()
+	{
+		return art;
+	}
+
+	/**
+	 * @return the sitzplaetze
+	 */
+	public int getSitzplaetze()
+	{
+		return sitzplaetze;
+	}
+
+	/**
+	 * @param aArt the art to set
+	 */
+	public void setArt(String aArt)
+	{
+		art = aArt;
+	}
+
+	/**
+	 * @param aSitzplaetze the sitzplaetze to set
+	 */
+	public void setSitzplaetze(int aSitzplaetze)
+	{
+		sitzplaetze = aSitzplaetze;
+	}
+
+
+	// -------------------------------------------------------------------------------------
+	// TOSTRING
+	@Override
+	public String toString()
+	{
+		// TODO Füge hier das Programm der Methode ein
+		return String.format("Waggong: %s, Sitzplätze: %d", art, sitzplaetze);
+	}
+
+
+	// -------- Ende der Klasse 
+}
+
+class Personenwaggon extends Waggon{
+	public Personenwaggon(int sitzplaetze)
+	{
+		super("Personenwaggon", sitzplaetze);
+	}
+}
+
+class Güterwaggon extends Waggon{
+	public Güterwaggon()
+	{
+		super("Güterwaggon", 0);
+	}
+}
+
+class Spießerwaggon extends Waggon{
+	public Spießerwaggon()
+	{
+		super("Spießerwaggon", 10);
+	}
+}
\ No newline at end of file

SEW4/src/ue_916_ZugDoppeltBesser/Zug.java

+package ue_916_ZugDoppeltBesser;
+
+import java.awt.KeyEventPostProcessor;
+
+/****************************************************************************************************
+ * 
+ * TODO (lösche TODO und füge hier deinen Kommentar ein!)
+ *
+ * @author Prof. Gaisberger
+ * @version 1.0
+ *
+ ****************************************************************************************************
+ */
+
+//---------------------------------------------------------------------------------------------------
+public class Zug
+{
+	// -------------------------------------------------------------------------------------
+	// Instanzvariablen/Klassenvariablen
+	private Waggon head;
+	private Waggon tail;
+	private int size;
+
+
+	// -------------------------------------------------------------------------------------
+	// INSTANZMETHODEN
+	public Waggon get(int position) {
+		if(position < 0) return null;
+		if (position >= size) return null;
+		
+		Waggon current = head; //vorne
+				for (int i=0; i < position; i++)
+					current = current.getNext();
+		
+		return current;
+	}
+	
+	public void add(Waggon neuerWaggon, int position) {
+		
+		Waggon davor = get(position-1);
+		Waggon danach = (davor == null) ? head : davor.getNext();
+		
+		
+		if (davor != null) davor.setNext(neuerWaggon);
+		if (danach != null) danach.setPrev(neuerWaggon);
+		
+		neuerWaggon.setNext(danach);
+		neuerWaggon.setPrev(davor);
+		
+		if(davor == null) head = neuerWaggon;
+		if(danach == null) tail = neuerWaggon;
+		
+		size++;
+		
+	}
+	
+	public void remove(Waggon waggon) {
+		if(waggon == null) return;
+		
+		Waggon davor = waggon.getPrev();
+		Waggon danach = waggon.getNext();
+		
+		if (davor != null) davor.setNext(danach);
+		if (danach != null)danach.setPrev(davor);
+		
+		waggon.setNext(null);
+		waggon.setPrev(null);
+		
+		if(waggon == head)  head = danach;
+		if(waggon == head) tail = davor;
+		
+		size--;
+	}
+
+	// -------------------------------------------------------------------------------------
+	// GETTER / SETTER 
+
+
+	// -------------------------------------------------------------------------------------
+	// TOSTRING
+
+
+
+	// -------- Ende der Klasse 
+}