Repository-CSDN博客

转载 Java - String vs StringBuffer vs StringBuilder

http://javarevisited.blogspot.de/2011/07/string-vs-stringbuffer-vs-stringbuilder.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content her

2015-10-29 18:03:59 420

转载 Java - Difference between ConcurrentHashMap, Hashtable and Synchronized Map

http://javarevisited.blogspot.de/2011/04/difference-between-concurrenthashmap.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.

2015-10-09 16:58:44 417

转载 Java - Difference between HashMap and HashSet in Java

http://javarevisited.blogspot.de/2011/09/difference-hashmap-vs-hashset-java.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.

2015-10-09 16:56:56 489

转载 Java - How HashMap works in Java

http://javarevisited.blogspot.de/2011/02/how-hashmap-works-in-java.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.Hash

2015-10-09 16:52:43 361

转载 Java - Difference between LinkedList and ArrayList

http://javarevisited.blogspot.sg/2012/02/difference-between-linkedlist-vs.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.

2015-10-08 15:56:12 390

转载 Java - Difference between ArrayList and Vector in Java

http://javarevisited.blogspot.de/2011/09/difference-vector-vs-arraylist-in-java.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here

2015-10-08 15:52:56 294

转载 Java - Difference between Wait and Sleep , Yield in Java

http://javarevisited.blogspot.de/2011/12/difference-between-wait-sleep-yield.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.

2015-10-08 15:49:32 372

转载 Java - What is difference between HashMap and Hashtable?

http://javarevisited.blogspot.de/2010/10/difference-between-hashmap-and.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.B

2015-09-24 13:14:07 546

转载 Java - What is difference between Enumeration and Iterator?

Both Iterator and Enumeration provides way to traverse or navigate through entire collection in Java.E

2015-09-24 11:00:59 313

转载 Java - Difference between Abstract class and Interface

http://javarevisited.blogspot.de/2013/05/difference-between-abstract-class-vs-interface-java-when-prefer-over-design-oops.htmlBecause sometimes I can't open this page without proper proxy configur

2015-09-23 17:46:22 405

转载 Java - How Garbage Collection works in Java

http://javarevisited.blogspot.de/2011/04/garbage-collection-in-java.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content here.Gar

2015-08-13 14:55:17 384

转载 Java - Difference between Stack and Heap memory in Java

http://javarevisited.blogspot.com.au/2013/01/difference-between-stack-and-heap-java.htmlBecause sometimes I can't open this page without proper proxy configuration, so I have to copy some content

2015-08-13 14:48:39 345

转载 Java - Java Heap Space or Java Heap Memory

http://javarevisited.blogspot.sg/2011/05/java-heap-space-memory-size-jvm.htmlhttp://javarevisited.blogspot.sg/2012/01/find-max-free-total-memory-in-java.htmlhttp://javarevisited.blogspot.de/20

2015-07-20 10:44:02 1523

转载 Java - Static keyword in Java

http://javarevisited.blogspot.de/2011/11/static-keyword-method-variable-java.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.10

2015-07-10 11:28:16 440

转载 Java - Difference between throw and throws in Exception handling

http://javarevisited.blogspot.de/2012/02/difference-between-throw-and-throws-in.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.

2015-07-10 10:57:22 405

转载 Java - Checked vs Unchecked Exception

http://javarevisited.blogspot.de/2011/12/checked-vs-unchecked-exception-in-java.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.

2015-07-09 16:41:45 581

转载 Java - Method Overloading vs Method Overriding

http://javarevisited.blogspot.de/2011/12/method-overloading-vs-method-overriding.htmlhttp://javarevisited.blogspot.sg/2014/03/covariant-method-overriding-of-java-5.htmlSometimes I can't open thi

2015-07-09 16:34:28 506

转载 Java - How Classpath works in Java

http://javarevisited.blogspot.de/2011/01/how-classpath-work-in-java.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.What is CLAS

2015-07-07 09:43:36 438

转载 Java - What is Abstraction in Java

http://javarevisited.blogspot.de/2010/10/abstraction-in-java.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.Abstraction in Java

2015-07-03 17:53:42 538

转载 Java - What is Static and Dynamic binding

http://javarevisited.blogspot.sg/2012/03/what-is-static-and-dynamic-binding-in.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.I

2015-07-03 17:27:03 974

转载 Java - What is final in Java?

http://javarevisited.blogspot.sg/2011/12/final-variable-method-class-java.htmlSometimes I can't open this page without proper proxy configuration, so I have to copy the content here.What is

2015-07-03 16:28:47 304

转载 Java - How Class is loaded and initialized

http://javarevisited.blogspot.de/2012/12/how-classloader-works-in-java.htmlhttp://javarevisited.blogspot.sg/2012/07/when-class-loading-initialization-java-example.htmlSometimes I can't open this

2015-07-01 11:26:19 645

转载 Java - Why String is Immutable or Final in Java

http://javarevisited.blogspot.de/2010/10/why-string-is-immutable-in-java.htmlSometimes I can't open this page without proper proxy, so I have to copy the content here.1)String is Immutable i

2015-07-01 11:17:32 482

转载 Java - Why multiple inheritances are not supported in Java

http://javarevisited.blogspot.de/2011/07/why-multiple-inheritances-are-not.htmlI can't open this page without proper proxy, so I have to copy the content here.1) First reason is ambiguity

2015-07-01 11:15:33 229

转载 Java - Why wait, notify and notifyAll is defined in Object Class and not on Thread class

Java中的锁是定义在对象（object）上的， wait， notify是与锁相关的操作，因此方法应该定义在对象类里。在Java中，为了进入critical section of code ，线程只需要获取锁和等待锁，它们不需要知道哪个线程在hold锁，只需要知道锁正在被hold，它们只需要等待锁释放，而不需要ask hold锁的线程来释放锁。

2015-06-29 17:52:01 355

转载 Java - Why wait notify and notifyAll called from synchronized block or method in Java

http://javarevisited.blogspot.de/2011/05/wait-notify-and-notifyall-in-java.html简单来说是为了解决潜在的边界条件 (race condition) 问题。用分步的生产者消费者流程举例来说：1. The Producer thread tests the condition (buffer is f

2015-06-29 17:11:34 233

转载 Java - How to write Thread-Safe Code in Java

The content comes from here. Becasue I can't open this page without proper proxy, so I copy the content here.多线程时的concurrency issues 主要有： race condition ， deadlock 等。Here is some points

2015-06-25 16:44:07 293

转载 Java - String vs StringBuffer vs StringBuilder in Java

The content comes from hereBecause sometimes I can't open the blog page without proper proxy, so I have to copy the content here.String is one of the most important classes in Java and any

2015-06-17 18:48:47 418

转载 Java - Why Enum Singleton are better in Java

http://javarevisited.blogspot.de/2012/07/why-enum-singleton-are-better-in-java.htmlBecause I can't open this page without proper proxy, so I copy the content here.Enum Singletons are new way

2015-06-16 16:14:55 442

转载 Java - Race condition in Java multithreading

http://javarevisited.blogspot.de/2012/02/what-is-race-condition-in.htmlBecause sometimes I can't open this page, so I copy the content here.Race condition in Java is a type of concurrency

2015-06-16 14:24:34 496

转载 Java - 并发编程

http://www.cnblogs.com/dolphin0520/category/602384.html

2015-05-27 17:47:35 238

转载 Spring framework

Spring framework一句话总结：Core support for dependency injection, transaction management, web applications, data access, messaging, testing and more.常用术语：IoC： Inversion of Control。 IoC is

2015-05-21 18:15:07 291

转载 Eclipse - 在 Eclipse 中直接打开CMD控制台的插件

插件名：EasyShellEasyShellEasyShell安装：Eclipse -> Help -> Eclipse Marketplace, 搜索EasyShell，安装即可。使用：在任一级工程目录上，右键点击，出现 Easy Shell 菜单，点击子菜单 Open 即可。

2015-05-21 10:52:46 1273

转载 Eclipse - 在Eclipse中使用Maven

http://jingyan.baidu.com/article/295430f136e8e00c7e0050b9.html最后设置部分，除了要设置installations，还要设置 User Settings.

2015-05-21 10:44:22 262

转载 JUnit - 怎么测试异常

代码public Example(String example) { if (example == null) { throw new NullPointerException(); } }JUnit 测试代码@Test(expected = NullPointerException.class)public void construct

2015-05-21 10:37:19 493

转载 Java - org.json 报错 Unsupported major.minor version 52.0

原因：org.json 和 java 版本不兼容解决：用 jre1.7 时，使用 http://mvnrepository.com/artifact/org.json/json/20140107 这个json。

2015-05-21 10:32:46 2174

转载 Eclipse - UT - Eclipse 中单元测试覆盖率统计工具

工具名称：EclEmma安装：在Eclipse -> Help -> Eclipse Marketplace, Find EclEmma, 然后install即可。使用：菜单栏图标

2015-05-21 10:24:55 1692

转载 log4j 的简短介绍

Short introduction to log4jPerformance

2015-05-14 22:09:12 301

转载在dos控制台下运行Java程序

1. 进入代码所在目录，运行命令编译程序，生成HelloWorld.class文件javac HelloWorld.java2. 运行如下命令java HelloWorld注意：没有任何后缀

2015-05-12 11:05:35 467

转载把Java程序打成Jar包

使用Eclipse来打包在控制台打包javac helloworld.javajar cvfm helloworld.jar MANIFEST.MF helloworld.classjava -jar helloworld.jar

2015-05-12 11:00:15 325

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