二叉搜索树的接口类public interface BinarySearchTree extends BinaryTree { Object find(Object obj); Object update(Object ob
二叉树二叉树的抽象数据类型的接口定义public interface BinaryTree { final String []mode={"preOrder","inOrder","postOrder","levelOrder"}; boolean createBTree(String gt); boolean isEmp
栈接口的定义public interface Stack { void push(Object obj); Object pop(); Object peek(); boolean isEmpty(); void clear(); }栈的顺序存储结构操作实现public class Seq
线性表接口List的定义如下:public interface List { Object Value(int pos); boolean add(Object obj,int pos); Object remove(int pos); int find(Object obj);
集合的抽象数据类型采用Java中的接口来描述。定义如下:piblic interface Set { boolean add(Object obj); //向集合中插入一个元素obj  
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