简单的实现了一个树的结构,很不完善!后续参考一些其他代码的实现。
试图实现叶子存在可变的节点,能够用来解析xml文件。
叶子的代码:
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package com.app; import java.util.ArrayList; import java.util.List; public class treeNode<T> { public T t; private treeNode<T> parent; public List<treeNode<T>> nodelist; public treeNode(T stype){ t = stype; parent = null ; nodelist = new ArrayList<treeNode<T>>(); } public treeNode<T> getParent() { return parent; } } |
树的代码:
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package com.app; public class tree<T> { public treeNode<T> root; public tree(){} public void addNode(treeNode<T> node, T newNode){ //增加根节点 if ( null == node){ if ( null == root){ root = new treeNode(newNode); } } else { treeNode<T> temp = new treeNode(newNode); node.nodelist.add(temp); } } /* 查找newNode这个节点 */ public treeNode<T> search(treeNode<T> input, T newNode){ treeNode<T> temp = null ; if (input.t.equals(newNode)){ return input; } for ( int i = 0 ; i < input.nodelist.size(); i++){ temp = search(input.nodelist.get(i), newNode); if ( null != temp){ break ; } } return temp; } public treeNode<T> getNode(T newNode){ return search(root, newNode); } public void showNode(treeNode<T> node){ if ( null != node){ //循环遍历node的节点 System.out.println(node.t.toString()); for ( int i = 0 ; i < node.nodelist.size(); i++){ showNode(node.nodelist.get(i)); } } } } |
测试的主函数:
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package com.app; public class app { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub /*简单实现一个树的结构,后续完善解析xml */ /*写得满烂的,后续查阅一些其他代码 2012-3-12 */ //测试 /* * string * hello * sinny * fredric * world * Hi * York * */ tree<String> tree = new tree(); tree.addNode( null , "string" ); tree.addNode(tree.getNode( "string" ), "hello" ); tree.addNode(tree.getNode( "string" ), "world" ); tree.addNode(tree.getNode( "hello" ), "sinny" ); tree.addNode(tree.getNode( "hello" ), "fredric" ); tree.addNode(tree.getNode( "world" ), "Hi" ); tree.addNode(tree.getNode( "world" ), "York" ); tree.showNode(tree.root); System.out.println( "end of the test" ); } } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。