原文地址:http://www.mkyong.com/mongodb/java-mongodb-hello-world-example/ A simple Java + MongoDB hello world example – how to connect, create database, collection and document, save, update, remove, get and display document (data). Tools and technologies
Java 操纵XML之修改XML文件 一.JAVA DOM PARSER DOM interfaces The DOM defines several Java interfaces. Here are the most common interfaces: Node - The base datatype of the DOM. Element - The vast majority of the objects you'll deal with are Elements. Attr Repr
In this tutorial, we show you how to save an image file into MongoDB, via GridFS API. The GridFS APIs are able to serve other binary files as well, like video and music files. 1. Save image Code snippets to save an image file into MongoDB, under "pho
写了个Java的查找二叉树,用递归做的,不用递归的还没弄出来.先贴一下.回头再研究. BTreeTest.java: public class BTreeTest{ class Node{ Node left, right; int data; Node(int newData){ left = null; right = null; data = newData; } } Node root = null; int count = 0; boolean canFind = false; pub