Java Consultant
Job Title: Java Consultant- Staff Software Engineering
Location: Shanghai
Company: HP China (www.hp.com)
This is a position reporting to Product Development Manager. The Staff Software Engineering will be responsible for leading development of robust high-volume kernel framework. The successful candidate will be a top performer and versatile professional leading the design, development and implementation of system infrastructure at eBay. This position will be based in Shanghai.
Responsibilities:
ž Define, design, implement, unit test and debug complex, multi-tier distributed software applications on eBay platform.
ž Work with other engineers, product management, QA and Operation team to design and implement application features
ž Estimate engineering effort, plan implementation, and rollout system changes.
ž Develop industry and product technical expertise.
ž Work closely with the other Product Development teams in US or India.
Requirements:
ž BS, MS, or PhD in Computer Science or related technical discipline (or equivalent).
ž A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
ž Extensive programming experience in Java and J2EE (strong OO skills preferred).
ž At least 3~5 years of large systems software design and development experience. Good knowledge about performance and scalability
ž Mature Debugging & troubleshooting skills in Large-scale software product.
ž Fluent communication skills in Oral English communication and email writing.
ž Working Experience in Multi-national Company is a plus.
ž Coding skills in JavaScript/AJAX, database design and SQL, and/or knowledge of XML and SOA/Webser
相关文档：
原文：Some Java Concurrency Tips
作者：Carol McDonald
出处：
http://weblogs.java.net/blog/caroljmcdonald/archive/2009/09/17/some-java-concurrency-tips
这是来自Joshua Bloch、Brian Goetz和其他人的一个关于一些并发技巧的汇总。
首先选择不可变的对象/数据
不可变对象（immutable ......
本系列文章的第 1 部分介绍了 Java Card 技术的高级知识 —— 什么是智能卡、Java Card 应用程序的元素、通信和不同 Java Card 技术规范的汇总。在本部分中，我们将重点介绍 Java Card applet 的开发：开发 Java Card 应用程序、Sun Java Card 开发工具箱、Java Card 和 Java Card RMI API 时所需的一般� ......
/**
* @(#)MyTray.java
*
*
* @author Xie Xiaojin
* @version 1.00 2009/11/9
*/
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MyTray implements ActionListener {
private MenuItem item1;
private MenuItem item2;
private MenuItem item3;
private ......
整理了一下常用到的Java卡开发包里的方法，以后就能加快开发速度了。
//Java Card开发方法查询
import java.lang.*;
import javacard.framework.*;
import javacard.security.*;
import javacardx.crypto.*; //该包为扩展包
//install方法
public static void install(byte[] bArray, ......
原因有很多种，比如：
1.数据量过于庞大；死循环
；静态变量和静态方法过多；递归；无法确定是否被引用的对象；
2.虚拟机不回收内存（内存泄漏）；
说白了就是程序运行要用到的内存大于虚拟机能提供的最大内存就发生内存溢出了。
内存溢出的问题要看业务和系统大小而定，对于某些系统� ......
