binnode.java

java的二叉树的实现参考

public interface BinNode {
//Return and set the element value
public Object element();
public Object setElement(Object v);

//Operation on left child
public BinNode left();
public BinNode setLeft(BinNode p);

//Operation on right child
public BinNode right();
public BinNode setRight(BinNode p);

//Return true if this is a leaf node
public boolean isLeaf(); 
}