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1¡¢please realize the defined function to get the height of BinaryTree predifined tree structure
java:
  public interface Tree{
  public object getValue();
  public Tree getLchild();
  public Tree getRchild();




The Function which you need to realize 
long getTreeHeight(Tree t);


2 There are 50 persons standing in a circle for a team, those who count the number 3 or multiple of 3 should leave from the circle, who is the last one in the circle? Please implement a class to get the persons original position in the circle...
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http://steven-hong.javaeye.com/blog/491982

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Java code

public class TestRound {
public static void print(int number,int count) {
ArrayList list = new ArrayList();
for (int i = 1; i <=number; i++) {
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JSP/Servlet½»»¥ - Java / Web ¿ª·¢

JSPÒ³ÃæÖÐÓжà¸öradio°´Å¥
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C/SÏîÄ¿¼Ü¹¹Éè¼Æ----ÇóÖú - Java / Java SE

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java socket email ÎÊÌâ - Java / Java SE

ÎÒÔÚ javaºËÐļ¼ÊõÉÏ ¿´ÁËÒ»¸ö ÀûÓà Java socket emailµÄÀý×Ó ¿ÉÊÇÔõôҲ ²»³É¹¦ Ϊʲô£¿
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Java code:

package cn.com.test.email;
import java.awt.GridBagLayout;
import java.awt.event.Action ......

java ÇóÖú - Java / Java EE

insert into [ScholarshipManagement].[dbo].[department] ([department],[specialization] ,[grade]) output inserted.departmentID values(? ,? ,? )
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Ä£Äâhref µÄ cssÑùʽ - Java / Web ¿ª·¢

ÏÖÔÚ²»ÏëÓÃ<a> </a> ±êÇ© £¬ÒòΪµã»÷ºó»á³öÏÖÒ³ÃæÖØ¶¨Î»£¬¸øÎÄ×Ö¼ÓÉÏcssÑùʽ¾Í¿ÉÒÔ¿´ÆðÀ´ ÊÇhrefÔõôʵÏÖÕâÑùµÄcss
text-decoration:underline; cursor:hand;

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