我需要一些有关二叉搜索树的帮助。我清楚地知道如何将整数添加到二叉搜索树,但是如何将整个对象添加到像那里的二叉搜索树?http://postimage.org/image/6y0hor0gh/
假设我想使用 AGE 一个键值,那么在创建节点时如何比较对象与对象呢?为了将整数添加到二叉搜索树,我使用了
//Tree.java
public class Tree
{
// The root node of the tree
// initialised here to null
private TreeNode root;
private TreeNode insert(TreeNode tree, int d)
{
if(tree == null) return new TreeNode(d);
else if (d < tree.data) tree.left = insert(tree.left, d);
else if(d > tree.data) tree.right = insert(tree.right,d);
// ignore duplicate items
return tree;
} // end private TreeNode insert(TreeNode tree, int d)
public void insert(int d)
{ root = insert(root,d); }
---------------------------------------------
//TreeNode.java
class TreeNode
{
protected TreeNode left; // left node
protected int data; // data item
protected TreeNode right; // right node
// Constructor
TreeNode(int d)
{
data = d; left = right = null;
}
} // end of class TreeNode
有任何想法吗?谢谢