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linhao19891124的博客

等老了想学都学不动

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转载 你的不自律,正在慢慢毁掉你

01在知乎上看过一个问题:“你见过最不求上进的人是什么样子?”点赞数第一的回答是:“我见过的最不求上进的人,他们为现状焦虑,又没有毅力践行决心去改变自己。三分钟热度,时常憎恶自己的不争气,坚持最多的事情就是坚持不下去。终日混迹社交网络,脸色蜡黄地对着手机和电脑的冷光屏,可以说上几句话的人却寥寥无几。他们以最普通的身份埋没在人群中,却过着最最煎熬的日子

2017-06-04 10:45:50 1357

转载 全文检索的基本原理

一、总论根据http://lucene.apache.org/java/docs/index.html 定义:Lucene 是一个高效的,基于Java 的全文检索库。所以在了解Lucene之前要费一番工夫了解一下全文检索。那么什么叫做全文检索呢?这要从我们生活中的数据说起。我们生活中的数据总体分为两种:结构化数据 和非结构化数据 。结构化数据: 指具有固定格式或有限长度

2017-12-25 16:55:51 294

转载 Servlet - Request、Session、servletContext区别

转自:https://www.cnblogs.com/javadu/archive/2011/11/25/2263799.html就servlet规范本身,servlet可以再三个不同的作用域存储数据,分别是:Request对象、Session对象和getServletContext()方法返回的servletContext对象中保存。以下是本人对他们之间区别的分析:

2017-12-08 10:46:39 4447

转载 Linux下基于RPM BUNDLE包安装MySQL

--Linux下基于RPM BUNDLE包安装MySQL下载地址:http://dev.mysql.com/downloads/mysql/ [root@ocm2 ~]# ls mysql-5.7.17-1.el5.i686.rpm-bundle.tar mysql-5.7.17-1.el5.i686.rpm-bundle.tar [root

2017-11-28 17:06:47 877

原创 kylin学习(二)

界面操作:1,创建新的project2,单击web界面的Model -》 DataSource下的load hive table ,输入表名,用逗号分隔,单击sync,3,创建model。model是cube的基础,它主要用于描述星型模型。有了数据模型,定义cube的时候就可以直接从此模型定义的表和列中进行选择,省去重复指定连接条件的步骤。基于一个数据模型可以创建多个cube。

2017-11-28 09:37:18 288

原创 kylin学习(一)

1,事实表和维度表事实表用来记录具体事件,包含每个事件的具体要素。维度表是对事实表中要素的描述信息。比如事实表中地点可能一串数字,而具体含义是在地点维度表获取。2,星型模型和雪花模型基于事实表和维度表,可以构建多种模型,包括星型模型,雪花模型,还有星座模型。星座模型由星型模型扩展来的,为了表示多个事实之间的关系,可以共享多个维度,这些共享维度对于

2017-11-27 16:49:18 338

转载 Spark On YARN内存和CPU分配

转载自:http://blog.csdn.net/fansy1990/article/details/54314249本篇博客参考:http://blog.cloudera.com/blog/2015/03/how-to-tune-your-apache-spark-jobs-part-2/ 软件版本:CDH:5.7.2,JDK:1.7;问题描述:在使用Spark

2017-11-03 14:36:09 520

转载 spring各jar包作用于spring常用注解

1.spring的各个jar包的作用org.springframework.aop-3.0.0.RELEASE--------------------Spring的面向切面编程,提供AOP(面向切面编程)实现org.springframework.asm-3.0.0.RELEASE--------------------Spring独立的asm程序,相遇Spring2.5.6的时候需要as

2017-11-01 19:37:39 2338

转载 Java静态代理和动态代理

本文动态代理部分内容大量引自:http://www.ibm.com/developerworks/cn/java/j-lo-proxy1/一、代理概念为某个对象提供一个代理,以控制对这个对象的访问。 代理类和委托类有共同的父类或父接口,这样在任何使用委托类对象的地方都可以用代理对象替代。代理类负责请求的预处理、过滤、将请求分派给委托类处理、以及委托类执行完请求后的后续处理。

2017-11-01 18:55:04 165

转载 Java8内存模型—永久代(PermGen)和元空间(Metaspace)

一、JVM 内存模型  根据 JVM 规范,JVM 内存共分为虚拟机栈、堆、方法区、程序计数器、本地方法栈五个部分。  1、虚拟机栈:每个线程有一个私有的栈,随着线程的创建而创建。栈里面存着的是一种叫“栈帧”的东西,每个方法会创建一个栈帧,栈帧中存放了局部变量表(基本数据类型和对象引用)、操作数栈、方法出口等信息。栈的大小可以固定也可以动态扩展。当栈调用深度大于JVM所允许的范围,会抛

2017-10-24 22:36:27 219

转载 maven 不同环境打包方案

大型项目中,分开发环境、测试环境、生产环境等;不同环境,配置不同,或数据源,或服务器,或数据库等;问题来了,如何使用Maven针对不同的环境来打包呢?Maven提供了Profile的概念,用来解决此类问题,其原理很简单,就是使用变量替换;举个例子来说明,测试项目目录结构如下图所示:比如开发环境和生产环境的数据库不同,db.prop

2017-10-08 18:15:02 430

转载 Java中对象的深复制(深克隆)和浅复制(浅克隆)介绍

1.浅复制与深复制概念 ⑴浅复制(浅克隆)     被复制对象的所有变量都含有与原来的对象相同的值,而所有的对其他对象的引用仍然指向原来的对象。换言之,浅复制仅仅复制所考虑的对象,而不复制它所引用的对象。 ⑵深复制(深克隆)     被复制对象的所有变量都含有与原来的对象相同的值,除去那些引用其他对象的变量。那些引用其他对象的变量将指向被复制过的新对象,而不再是原有

2017-09-04 15:10:52 446

转载 Spark核心RDD:combineByKey函数详解

为什么单独讲解combineByKey?因为combineByKey是Spark中一个比较核心的高级函数,其他一些高阶键值对函数底层都是用它实现的。诸如 groupByKey,reduceByKey等等如下给出combineByKey的定义,其他的细节暂时忽略(1.6.0版的函数名更新为combineByKeyWithClassTag)[java] view

2017-08-27 20:28:43 218

转载 reduceByKey和groupByKey区别与用法

在Spark中,我们知道一切的操作都是基于RDD的。在使用中,RDD有一种非常特殊也是非常实用的format——pair RDD,即RDD的每一行是(key, value)的格式。这种格式很像Python的字典类型,便于针对key进行一些处理。针对pair RDD这样的特殊形式,spark中定义了许多方便的操作,今天主要介绍一下reduceByKey和groupByKey,

2017-08-27 17:24:34 1178

转载 Spark Sort-Based Shuffle内幕彻底解密

Spark Sort-Based Shuffle内幕彻底解密本期内容:1 为什么使用Sort-Based Shuffle2 Sort-Based Shuffle 实战3 Sort-Based Shuffle 内幕4 Sort-Based Shuffle的不足一、为什么需要Sort Based Shu

2017-08-20 22:00:39 284

转载 RDD Join 性能调优

阅读本篇博文时,请先理解RDD的描述及作业调度:[《深入理解Spark 2.1 Core (一):RDD的原理与源码分析 》](http://blog.csdn.net/u011239443/article/details/53894611#t16)Join数据是我们在Spark操作中的很重要的一部分。Spark Core 和Spark SQL的基本类型都支持join操作。虽然join很常

2017-08-20 19:38:04 293

转载 Spark1.5堆内存分配

Spark1.5堆内存分配这是spark1.5及以前堆内存分配图下边对上图进行更近一步的标注,红线开始到结尾就是这部分的开始到结尾spark 默认分配512MB JVM堆内存。出于安全考虑和避免内存溢出,Spark只允许我们使用堆内存的90%,这在spark的spark.storage.safetyFraction 参数中配置着。也许你听说的spar

2017-08-01 16:06:20 255

转载 Spark配置参数说明

http://spark-config.readthedocs.io/en/latest/index.html

2017-08-01 11:31:53 250

转载 Scala之类型参数化:Type Parameterization

Scala之类型参数化:Type Parameterization本文原文出处: http://blog.csdn.net/bluishglc/article/details/52584401 严禁任何形式的转载,否则将委托CSDN官方维护权益!Scala之类型参数化Type Parameterization型变Variance不变 Invariant协变C

2017-07-31 11:50:02 272

原创 spark Job执行流程

RDD的action操作会引发job的执行。abstract class RDD[T: ClassTag]( @transient private var _sc: SparkContext, @transient private var deps: Seq[Dependency[_]] ) extends Serializable with LoggingRDD有两个入参

2017-07-20 22:36:48 395

转载 Java NIO浅析

NIO(Non-blocking I/O,在Java领域,也称为New I/O),是一种同步非阻塞的I/O模型,也是I/O多路复用的基础,已经被越来越多地应用到大型应用服务器,成为解决高并发与大量连接、I/O处理问题的有效方式。那么NIO的本质是什么样的呢?它是怎样与事件模型结合来解放线程、提高系统吞吐的呢?本文会从传统的阻塞I/O和线程池模型面临的问题讲起,然后对比几种常见I/O

2017-07-16 18:13:54 198

转载 Scala 深入浅出实战经典 第46讲: ClassTag 、Manifest、ClasMainifest TagType实战

package com.parllay.scala.type_parameterizitor /*** Created by richard on 15-7-30.* 第46讲: ClassTag 、Manifest、ClasMainifest TagType实战*/object Manifest_Class { def main(args: Array[String]) {/*

2017-07-14 22:19:16 341

转载 Java泛型-类型擦除

Java泛型-类型擦除一、概述      Java泛型在使用过程有诸多的问题,如不存在List.class, List不能赋值给List(不可协变),奇怪的ClassCastException等。 正确的使用Java泛型需要深入的了解Java的一些概念,如协变,桥接方法,以及这篇笔记记录的类型擦除。Java泛型的处理几乎都在编译器中进行,编译器生成的bytecode是不包涵泛型信息的,

2017-07-14 22:02:28 309

翻译 Spark编程指南--Shuffle

Certain operations within Spark trigger an event known as the shuffle. The shuffle is Spark’s mechanism for re-distributing data so that it’s grouped differently across partitions. This typically invol

2017-07-11 21:27:10 266

翻译 Spark编程指南

Understanding closures 理解闭包One of the harder things about Spark is understanding the scope and life cycle of variables and methods when executing code across a cluster. RDD operations that modify var

2017-07-10 22:55:43 418

转载 远程通信的几种选择(RPC,Webservice,RMI,JMS的区别)

RPC(Remote Procedure Call Protocol) RPC使用C/S方式,采用http协议,发送请求到服务器,等待服务器返回结果。这个请求包括一个参数集和一个文本集,通常形成“classname.methodname”形式。优点是跨语言跨平台,C端、S端有更大的独立性,缺点是不支持对象,无法在编译器检查错误,只能在运行期检查。Web Service Web Service提供

2017-07-09 23:54:47 215

转载 Linux下 环境变量/etc/profile、/etc/bashrc、~/.bashrc的区别

最近配置了Java和Scala的环境变量,发现自己对Linux下 /etc/profile、/etc/bashrc、~/.bashrc的区别不是特别清楚,特此查阅了相关资料,整理下来,供以后查阅。如有错误之处,还望各位朋友批评指正。 ①/etc/profile: 该文件登录操作系统时,为每个用户设置环境信息,当用户第一次登录时,该文件被执行。也就是说这个文件对每个shell都有效,用于

2017-07-08 14:13:48 309

原创 好网站

https://mvnrepository.com/

2017-07-04 16:03:04 414

转载 Stringstr=new String("abc") 这行代码究竟创建了几个对象?

Stringstr=new String(“abc”); 紧接着这段代码之后的往往是这个问题,那就是这行代码究竟创建了几个String对象呢?相信大家对这道题并不陌生,答案也是众所周知的,2个。接下来我们就从这道题展开,一起回顾一下与创建String对象相关的一些JAVA知识。 我们可以把上面这行代码分成Stringstr、=、”abc”和new String()四部分来看待。Stringst

2017-06-30 14:58:52 315

翻译 String intern() method in Java. Why we use it?

Briefly, Java’s String class has a public method intern() that returns a canonical representation for the string object. Java’s String class privately maintains a pool of strings, where String literals

2017-06-30 11:50:22 256

原创 java类路径,工程根路径

package main.java;import java.io.File;public class TestPath { public static void main(String[] args) throws Exception{ //如果不加“/” 采用“” 获取当前类的加载目录 String path=TestPath.class.getResour

2017-06-29 22:58:18 2108

转载 maven 配置多模块项目 pom modules

maven 配置多模块项目 pom modules 所有用Maven管理的真实的项目都应该是分模块的,每个模块都对应着一个pom.xml。它们之间通过继承和聚合(也称作多模块,multi-module)相互关联。那么,为什么要这么做呢?我们明明在开发一个项目,划分模块后,导入Eclipse变成了N个项目,这会带来复杂度,给

2017-06-29 10:30:22 5638

转载 slf4j、log4j、logback关系介绍

日志框架 日志框架中,经常出现的slf4j、log4j、logback、slf4j-log4j、log4j-over-slf4j等等,让人混淆。为此,特意查找整理了一下,盗贴个图先:日志架构图 上图中:接口:将所有日志实现适配到了一起,用统一的接口调用 实现:目前主流的日志实现 旧日志到slf4j的适配器:如果使用了slf4j,但是只想用一种实现,想把log4j的日志体系也从logbac

2017-06-28 17:13:56 264

原创 简单xsd实例

<?xml version="1.0" encoding="UTF-8"?><xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.zte.bigdata.vmax.com.cn" xmlns="http://www.zte.bigdata

2017-06-26 11:47:53 909

转载 引入XSD的两种方式

现在的语言,如果不有那么一点OO的影子,都不好意思称之为语言了。在XML的语义约束方面,DTD虽然简单,但是功能不够强大,完全是直白的描述,于是又有了替代DTD的XSD(XML Schema Definition),XSD引入了数据类型,提供了自定义数据类型的各种机制,甚至还能找到继承、多态等各种OO特征,然而学习起来也就相对复杂了,从这篇笔记开始学习一下XSD。1、XSD文件是一种XML文件  X

2017-06-26 11:40:49 6126

原创 与时间做朋友

1,我们可以用自己的大脑控制自己的大脑。开启心智,时间就会拥有不同的质量,进而整个人生都必然因此焕然一新2,多学习技能3,速成是不可能的,积累4,无法解决的问题,记录下来,在人生的某个阶段就开窍了5,及时行动 只要做事,就一定会出问题。如果在做事的过程中没有出现任何问题,那肯定不是做事,而是做梦6,效率低下的根本原因:回避困难7,关注步骤what,why how8,写简单日志:事情加耗时9,预演1

2017-06-25 11:12:02 221

原创 认识事物过程

1,定义 what2,原理3,特点,优缺点4,如何使用5,如何改进6,其他

2017-06-21 09:44:30 988

转载 新手如何学习Java——Java学习路线图

怎么学习Java,这是很多新手经常会问我的问题,现在我简单描述下一个Java初学者到就业要学到的一些东西:首先要明白Java体系设计到得三个方面:J2SE,J2EE,J2ME(KJAVA)。J2SE,Java 2 Platform Standard Edition,我们经常说到的JDK,就主要指的这个,它是三者的基础,属于桌面级应用开发,这部分如果学得好很容易拓展J2EE和J2ME。J2ME,The

2017-06-11 22:10:34 243

原创 spark学习起步(四)--部署方式

spark支持以下几种部署模式:1,单机模式2,伪集群模式3,独立集群4,yarn集群5,mesos不同的部署方式,差异主要体现在运行资源的管理和分配以及容错处理上单机模式:Driver,Master,Worker,Executor都运行在 同一个JVM进程之中伪集群部署:local-clustermaster和worker运行于同一个jvm

2017-06-08 21:51:17 283

原创 spark学习起步(三)--作业提交

一个application运行期间可以执行多个spark job(作业),有多少作业是由多少个action操作的rdd决定。几次action,就有几个job每个job 分为多个stage,stage划分是依据shuffleDependency(宽依赖)。每次遇到一个,就要新产生一个stage。shuffle类算子会产生新的stage。从RDD角度看,ShuffledRDD,CoGrou

2017-06-06 23:15:00 330

Hadoop技术内幕:深入解析YARN架构设计与实现原理

全书共四部分13 章:第一部分(第1~2 章)主要介绍了如何获取、阅读和调试Hadoop 的源代码, 以及YARN 的设计思想、基本架构和工作流程;第二部分(第3~7 章)结合源代码详细剖析和讲解了 YARN 的第三方开源库、底层通信库、服务库、事件库的基本使用和实现细节,详细讲解了YARN 的 应用程序设计方法,深入讲解和分析了ResourceManager、资源调度器、NodeManager 等组件的实现细 节;第三篇(第8~10 章)则对离线计算框架MapReduce、DAG 计算框架Tez、实时计算框架Storm 和 内存计算框架Spark 进行了详细的讲解;第四部分(第11~13 章)首先对Facebook Corona 和Apache Mesos 进行了深入讲解,然后对YARN 的发展趋势进行了展望。

2018-06-05

kafka_the definitive guide(201707)

2017.07版本,英文版高清。This book is absolutely the best way to learn about Kafka; from internals to APIs, written by some of the people who know it best. I hope you enjoy reading it as much as I have!

2018-05-31

redis安装包3.0.504(windows64位)

redis安装包3.0.504(windows64位),实测可用,注意在安装目录修改配置文件redis.windows.conf文件,取消注释bind 127.0.0.1就是在本机使用

2018-01-04

j2se中文帮助文档

包含了chm,chw,这样就可以使用chm了。

2015-05-04

j2se英文帮助文档

上次上传chm貌似不可用,这次上传chm和chw,两个一起应该可以使用

2015-05-03

java英文帮助文档

win7 win8都能使用。本人使用win8系统,用它索引函数相当方便

2014-07-09

J2SE6.0(英文帮助文件).chm

win7 ,win8都可以使用 -------------------------------------------------------------------------------- Overview Package Class Use Tree Deprecated Index Help Java™ Platform Standard Ed. 6 PREV NEXT FRAMES NO FRAMES All Classes -------------------------------------------------------------------------------- Java™ Platform, Standard Edition 6 API Specification This document is the API specification for version 6 of the Java™ Platform, Standard Edition. See: Description Packages java.applet Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. java.awt Contains all of the classes for creating user interfaces and for painting graphics and images. java.awt.color Provides classes for color spaces. java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications. java.awt.dnd Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI. java.awt.event Provides interfaces and classes for dealing with different types of events fired by AWT components. java.awt.font Provides classes and interface relating to fonts. java.awt.geom Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry. java.awt.im Provides classes and interfaces for the input method framework. java.awt.im.spi Provides interfaces that enable the development of input methods that can be used with any Java runtime environment. java.awt.image Provides classes for creating and modifying images. java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images. java.awt.print Provides classes and interfaces for a general printing API. java.beans Contains classes related to developing beans -- components based on the JavaBeansTM architecture. java.beans.beancontext Provides classes and interfaces relating to bean context. java.io Provides for system input and output through data streams, serialization and the file system. java.lang Provides classes that are fundamental to the design of the Java programming language. java.lang.annotation Provides library support for the Java programming language annotation facility. java.lang.instrument Provides services that allow Java programming language agents to instrument programs running on the JVM. java.lang.management Provides the management interface for monitoring and management of the Java virtual machine as well as the operating system on which the Java virtual machine is running. java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector. java.lang.reflect Provides classes and interfaces for obtaining reflective information about classes and objects. java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal). java.net Provides the classes for implementing networking applications. java.nio Defines buffers, which are containers for data, and provides an overview of the other NIO packages. java.nio.channels Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations. java.nio.channels.spi Service-provider classes for the java.nio.channels package. java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters. java.nio.charset.spi Service-provider classes for the java.nio.charset package. java.rmi Provides the RMI package. java.rmi.activation Provides support for RMI Object Activation. java.rmi.dgc Provides classes and interface for RMI distributed garbage-collection (DGC). java.rmi.registry Provides a class and two interfaces for the RMI registry. java.rmi.server Provides classes and interfaces for supporting the server side of RMI. java.security Provides the classes and interfaces for the security framework. java.security.acl The classes and interfaces in this package have been superseded by classes in the java.security package. java.security.cert Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths. java.security.interfaces Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186. java.security.spec Provides classes and interfaces for key specifications and algorithm parameter specifications. java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language. java.text Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages. java.text.spi Service provider classes for the classes in the java.text package. java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array). java.util.concurrent Utility classes commonly useful in concurrent programming. java.util.concurrent.atomic A small toolkit of classes that support lock-free thread-safe programming on single variables. java.util.concurrent.locks Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors. java.util.jar Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file. java.util.logging Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities. java.util.prefs This package allows applications to store and retrieve user and system preference and configuration data. java.util.regex Classes for matching character sequences against patterns specified by regular expressions. java.util.spi Service provider classes for the classes in the java.util package. java.util.zip Provides classes for reading and writing the standard ZIP and GZIP file formats. javax.accessibility Defines a contract between user-interface components and an assistive technology that provides access to those components. javax.activation javax.activity Contains Activity service related exceptions thrown by the ORB machinery during unmarshalling. javax.annotation javax.annotation.processing Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment. javax.crypto Provides the classes and interfaces for cryptographic operations. javax.crypto.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3. javax.crypto.spec Provides classes and interfaces for key specifications and algorithm parameter specifications. javax.imageio The main package of the Java Image I/O API. javax.imageio.event A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images. javax.imageio.metadata A package of the Java Image I/O API dealing with reading and writing metadata. javax.imageio.plugins.bmp Package containing the public classes used by the built-in BMP plug-in. javax.imageio.plugins.jpeg Classes supporting the built-in JPEG plug-in. javax.imageio.spi A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry. javax.imageio.stream A package of the Java Image I/O API dealing with low-level I/O from files and streams. javax.jws javax.jws.soap javax.lang.model Classes and hierarchies of packages used to model the Java programming language. javax.lang.model.element Interfaces used to model elements of the Java programming language. javax.lang.model.type Interfaces used to model Java programming language types. javax.lang.model.util Utilities to assist in the processing of program elements and types. javax.management Provides the core classes for the Java Management Extensions. javax.management.loading Provides the classes which implement advanced dynamic loading. javax.management.modelmbean Provides the definition of the ModelMBean classes. javax.management.monitor Provides the definition of the monitor classes. javax.management.openmbean Provides the open data types and Open MBean descriptor classes. javax.management.relation Provides the definition of the Relation Service. javax.management.remote Interfaces for remote access to JMX MBean servers. javax.management.remote.rmi The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server. javax.management.timer Provides the definition of the Timer MBean. javax.naming Provides the classes and interfaces for accessing naming services. javax.naming.directory Extends the javax.naming package to provide functionality for accessing directory services. javax.naming.event Provides support for event notification when accessing naming and directory services. javax.naming.ldap Provides support for LDAPv3 extended operations and controls. javax.naming.spi Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages. javax.net Provides classes for networking applications. javax.net.ssl Provides classes for the secure socket package. javax.print Provides the principal classes and interfaces for the JavaTM Print Service API. javax.print.attribute Provides classes and interfaces that describe the types of JavaTM Print Service attributes and how they can be collected into attribute sets. javax.print.attribute.standard Package javax.print.attribute.standard contains classes for specific printing attributes. javax.print.event Package javax.print.event contains event classes and listener interfaces. javax.rmi Contains user APIs for RMI-IIOP. javax.rmi.CORBA Contains portability APIs for RMI-IIOP. javax.rmi.ssl Provides implementations of RMIClientSocketFactory and RMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols. javax.script The scripting API consists of interfaces and classes that define Java TM Scripting Engines and provides a framework for their use in Java applications. javax.security.auth This package provides a framework for authentication and authorization. javax.security.auth.callback This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example). javax.security.auth.kerberos This package contains utility classes related to the Kerberos network authentication protocol. javax.security.auth.login This package provides a pluggable authentication framework. javax.security.auth.spi This package provides the interface to be used for implementing pluggable authentication modules. javax.security.auth.x500 This package contains the classes that should be used to store X500 Principal and X500 Private Crendentials in a Subject. javax.security.cert Provides classes for public key certificates. javax.security.sasl Contains class and interfaces for supporting SASL. javax.sound.midi Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data. javax.sound.midi.spi Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers. javax.sound.sampled Provides interfaces and classes for capture, processing, and playback of sampled audio data. javax.sound.sampled.spi Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters. javax.sql Provides the API for server side data source access and processing from the JavaTM programming language. javax.sql.rowset Standard interfaces and base classes for JDBC RowSet implementations. javax.sql.rowset.serial Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language. javax.sql.rowset.spi The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider. javax.swing Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms. javax.swing.border Provides classes and interface for drawing specialized borders around a Swing component. javax.swing.colorchooser Contains classes and interfaces used by the JColorChooser component. javax.swing.event Provides for events fired by Swing components. javax.swing.filechooser Contains classes and interfaces used by the JFileChooser component. javax.swing.plaf Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities. javax.swing.plaf.basic Provides user interface objects built according to the Basic look and feel. javax.swing.plaf.metal Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel. javax.swing.plaf.multi Provides user interface objects that combine two or more look and feels. javax.swing.plaf.synth Synth is a skinnable look and feel in which all painting is delegated. javax.swing.table Provides classes and interfaces for dealing with javax.swing.JTable. javax.swing.text Provides classes and interfaces that deal with editable and noneditable text components. javax.swing.text.html Provides the class HTMLEditorKit and supporting classes for creating HTML text editors. javax.swing.text.html.parser Provides the default HTML parser, along with support classes. javax.swing.text.rtf Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors. javax.swing.tree Provides classes and interfaces for dealing with javax.swing.JTree. javax.swing.undo Allows developers to provide support for undo/redo in applications such as text editors. javax.tools Provides interfaces for tools which can be invoked from a program, for example, compilers. javax.transaction Contains three exceptions thrown by the ORB machinery during unmarshalling. javax.transaction.xa Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions. javax.xml Defines core XML constants and functionality from the XML specifications. javax.xml.bind Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities. javax.xml.bind.annotation Defines annotations for customizing Java program elements to XML Schema mapping. javax.xml.bind.annotation.adapters XmlAdapter and its spec-defined sub-classes to allow arbitrary Java classes to be used with JAXB. javax.xml.bind.attachment This package is implemented by a MIME-based package processor that enables the interpretation and creation of optimized binary data within an MIME-based package format. javax.xml.bind.helpers JAXB Provider Use Only: Provides partial default implementations for some of the javax.xml.bind interfaces. javax.xml.bind.util Useful client utility classes. javax.xml.crypto Common classes for XML cryptography. javax.xml.crypto.dom DOM-specific classes for the javax.xml.crypto package. javax.xml.crypto.dsig Classes for generating and validating XML digital signatures. javax.xml.crypto.dsig.dom DOM-specific classes for the javax.xml.crypto.dsig package. javax.xml.crypto.dsig.keyinfo Classes for parsing and processing KeyInfo elements and structures. javax.xml.crypto.dsig.spec Parameter classes for XML digital signatures. javax.xml.datatype XML/Java Type Mappings. javax.xml.namespace XML Namespace processing. javax.xml.parsers Provides classes allowing the processing of XML documents. javax.xml.soap Provides the API for creating and building SOAP messages. javax.xml.stream javax.xml.stream.events javax.xml.stream.util javax.xml.transform This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result. javax.xml.transform.dom This package implements DOM-specific transformation APIs. javax.xml.transform.sax This package implements SAX2-specific transformation APIs. javax.xml.transform.stax Provides for StAX-specific transformation APIs. javax.xml.transform.stream This package implements stream- and URI- specific transformation APIs. javax.xml.validation This package provides an API for validation of XML documents. javax.xml.ws This package contains the core JAX-WS APIs. javax.xml.ws.handler This package defines APIs for message handlers. javax.xml.ws.handler.soap This package defines APIs for SOAP message handlers. javax.xml.ws.http This package defines APIs specific to the HTTP binding. javax.xml.ws.soap This package defines APIs specific to the SOAP binding. javax.xml.ws.spi This package defines SPIs for JAX-WS 2.0. javax.xml.xpath This package provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment. org.ietf.jgss This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API. org.omg.CORBA Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB). org.omg.CORBA_2_3 The CORBA_2_3 package defines additions to existing CORBA interfaces in the Java[tm] Standard Edition 6. These changes occurred in recent revisions to the CORBA API defined by the OMG. The new methods were added to interfaces derived from the corresponding interfaces in the CORBA package. This provides backward compatibility and avoids breaking the JCK tests. org.omg.CORBA_2_3.portable Provides methods for the input and output of value types, and contains other updates to the org/omg/CORBA/portable package. org.omg.CORBA.DynAnyPackage Provides the exceptions used with the DynAny interface (InvalidValue, Invalid, InvalidSeq, and TypeMismatch). org.omg.CORBA.ORBPackage Provides the exception InvalidName, which is thrown by the method ORB.resolve_initial_references and the exception InconsistentTypeCode, which is thrown by the Dynamic Any creation methods in the ORB class. org.omg.CORBA.portable Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB. org.omg.CORBA.TypeCodePackage Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode. org.omg.CosNaming Provides a naming service for Java IDL. org.omg.CosNaming.NamingContextExtPackage This package contains the following classes, which are used in org.omg.CosNaming.NamingContextExt: org.omg.CosNaming.NamingContextPackage This package contains Exception classes for the org.omg.CosNaming package. org.omg.Dynamic This package contains the Dynamic module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.9. org.omg.DynamicAny Provides classes and interfaces that enable traversal of the data value associated with an any at runtime, and extraction of the primitive constituents of the data value. org.omg.DynamicAny.DynAnyFactoryPackage This package contains classes and exceptions from the DynAnyFactory interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2.2. org.omg.DynamicAny.DynAnyPackage This package contains classes and exceptions from the DynAny interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2. org.omg.IOP This package contains the IOP module specified in the OMG document The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 13.6. org.omg.IOP.CodecFactoryPackage This package contains the exceptions specified in the IOP::CodeFactory interface (as part of the Portable Interceptors spec). org.omg.IOP.CodecPackage This package is generated from the IOP::Codec IDL interface definition. org.omg.Messaging This package contains the Messaging module specified in the OMG CORBA Messaging specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07. org.omg.PortableInterceptor Provides a mechanism to register ORB hooks through which ORB services can intercept the normal flow of execution of the ORB. org.omg.PortableInterceptor.ORBInitInfoPackage This package contains the exceptions and typedefs from the ORBInitInfo local interface of the PortableInterceptor module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.7.2. org.omg.PortableServer Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs. org.omg.PortableServer.CurrentPackage Provides method implementations with access to the identity of the object on which the method was invoked. org.omg.PortableServer.POAManagerPackage Encapsulates the processing state of the POAs it is associated with. org.omg.PortableServer.POAPackage Allows programmers to construct object implementations that are portable between different ORB products. org.omg.PortableServer.portable Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs. org.omg.PortableServer.ServantLocatorPackage Provides classes and interfaces for locating the servant. org.omg.SendingContext Provides support for the marshalling of value types. org.omg.stub.java.rmi Contains RMI-IIOP Stubs for the Remote types that occur in the java.rmi package. org.w3c.dom Provides the interfaces for the Document Object Model (DOM) which is a component API of the Java API for XML Processing. org.w3c.dom.bootstrap org.w3c.dom.events org.w3c.dom.ls org.xml.sax This package provides the core SAX APIs. org.xml.sax.ext This package contains interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support. org.xml.sax.helpers This package contains "helper" classes, including support for bootstrapping SAX-based applications. This document is the API specification for version 6 of the Java™ Platform, Standard Edition. -------------------------------------------------------------------------------- Overview Package Class Use Tree Deprecated Index Help Java™ Platform Standard Ed. 6 PREV NEXT FRAMES NO FRAMES All Classes -------------------------------------------------------------------------------- Submit a bug or feature For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

2014-07-09

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2014-07-09

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