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Õâ¿ÃÊ÷µÄʵÏÖ»¨Á˺ü¸Ììʱ¼ä£¬Åöµ½µÄ×î´óÎÊÌâÊÇJAVAµÄ·ºÐÍ£¬ÔÚ¶Ô·ºÐͲ»ÊÇ×ã¹»Á˽âµÄÊÂʵÏ£¬Ëƺõµ½´¦¶¼Åöµ½ÏÝÚ壬ÐÒ¿÷ÔÚÕâÖмäµÃµ½ÁËÖÜÊ÷Ⱥͬ־µÄ¶¦Á¦ÏàÖú£¬ËùÒÔÔÚÕâÀï±íÑïËûÀÏÈ˼ÒÒ»°Ñ£ºÖÜÊ÷ȺÊǸöºÃͬ־£¡
²»¹ÜÔõô˵£¬Ò»¿Ã¼òµ¥µÄÊ÷ÒѾ­ÊµÏÖÁË£¬ÒÔºóÒªÓõ½Ê÷µÄµØ·½¾Í·½±ã¶àÁË£¨Ä¿Ç°ÎªÖ¹ÎÒ»¹Ã»¿´µ½JDKÀïÓÐרÃŵÄÊ÷µÄʵÏÖ£©¡£ÏÂÃæÊÇÕâ¿ÃÊ÷µÄ½Ó¿ÚITree£¬ÒÔ¼°¾ßÌåʵÏÖÀàOriginalTree¡£
ITree:
package utility.structure.def;
import java.util.Collection;
import java.util.List;
/**
*
* @author odie.tang
*
* @version 1.0 10/30/09
*/
public interface ITree<E>{

E getData();

void set(E e);

E remove();

int getDepth();

int getLevel();

ITree<E> getParent();

ITree<E> getFirstChild();

ITree<E> getLastChild();

ITree<E> addChild(int childIndex,E e);

void addChildren(Collection<? extends E> children);

void addChildren(int childIndex, Collection<? extends E> children);

ITree<E> addChild(E e);

ITree<E> getChild(int childIndex);

E removeChild(int childIndex);

List<ITree<E>> getChildren();

boolean isLeaf();

boolean isRoot();

ITree<E> getRoot();

boolean remove(E e);

ITree<E> getNode(E e);

}

OriginalTree:
package utility.structure;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.ConcurrentModificationException;
import java.util.List;
import java.util.NoSuchElementException;
import utility.structure.def.ITree;
/**
* @author odie.tang
* @version 1.0 , 10/30/09
*/
public class OriginalTree<E> implements ITree<E>,Serializable {
private static final long serialVersionUID =


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