此为用C#写的A*算法源代码 using System; using System.Collections.Generic; using System.Text; using System.Drawing; namespace EtSoft.AStarLib { public class AStar { private StarNodeCollection openList = new StarNodeCollection(); private StarNodeCollection close
BPlusTree_Java实现 package bplustree; import java.util.*; import com.xuedi.IO.*; import com.xuedi.maths.*; ////// DisposeRoot ///////中的key参数有些问题 public class BTree { //用于记录每个节点中的键值数量 public int keyAmount; //树的根节点 public Node root; public BTree(int key
List list2 = new ArrayList(); public List getAll(String i,List list){ Iterator iter = list.iterator(); while(iter.hasNext()){ Student student = (Student)iter.next(); if(i.equals(student.getParentid())){ list2.add(student.getId()); getAll(student.get
oracle数据库中如果需要使用SQL递归语句,应该怎么写呢?下面就为您介绍一个oracle中使用SQL递归语句的例子,供您参考。例子: 代码如下:pid id a b a c a e b b1 b b2 c c1 e e1 e e3 d d1 指定pid=a,选出 a b a c a e b b1 b b2 c