java-5

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(JPA/Toplink) Network error IOException: Address already in use: connect

I have a JPA project which used to work. This month, I have added some data in my database. When I run the usual job (I used to run on preceeding months), I get this error:[详细]

2022-12-26 06:45 分类：问答
Pop-up window in Java Swing

Can someone suggest me how to implement a pop-up window in Java Swing. I want the pop-up window to be a modal window (user cannot return to the main window when the 开发者_如何学Gopop-up is open).[详细]

2022-12-22 12:45 分类：问答
Most useful or interesting new language features in Java 5 and 6?

I was looking through a code tutorial just now, and found something interesting -- the import static feature introduced in JDK 5:[详细]

2022-12-22 01:22 分类：问答
XML to Java Object only using Java5 (no external libs)

normally I would use JaxB, XMLBeans or Simple to convert a XML file to a Java Object. In this case I can however only use Java5 and no external libraries (for several reasons开发者_如何学Python).[详细]

2022-12-19 10:41 分类：问答
TimeZone.setDefault changes in JDK6

I just noticed that JDK 6 has a different approach to setting a default TimeZone than JDK5. Previously the new default would be stored in a thread-local variable. With JDK6 (I just reviewed 1.6.0.18[详细]

2022-12-19 06:35 分类：问答
How to Debug while Porting from Java 1.5 to 1.6?

I h开发者_C百科ave a distributed JBoss-based application that shows a buggy behavior when compiled and run with Java 1.6. It shows an another bug when compiled with Java 1.5 and run with Java 1.6. But[详细]

2022-12-17 10:50 分类：问答
Why WebSphere 6.1 (JDK 1.5 Compliant) compiles my JSPs as JDK 1.4?

Our web applica开发者_如何学运维tion is JDK 1.5 compliant, and is running succesfuly on WebSphere 6.1[详细]

2022-12-16 02:46 分类：问答
Java generics and "..."

What do T and S mean? 开发者_JS百科public void main(String... abc) ;what does ... mean? Is ... called generic as well?[详细]

2022-12-13 20:24 分类：问答
What is the use of <T> in public static <T> T addAndReturn(T element, Collection<T> collection){

I get confused when I come across a generic method of this sort. public static <T> T addAndReturn(T element, Collection<T> collection){[详细]

2022-12-10 07:27 分类：问答
JSON-Taglib library not working w/ SDK 1.6?

I\'m currently working on a project that uses the js开发者_JAVA百科on-taglib-0.4.1.jar library to do some json communication between front and back end.[详细]

2022-12-09 13:42 分类：问答