Java
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Java – how do I start Jfilechooser in the details view?
I want my Jfilechooser to start with the details view instead of the list view it starts with How do you do it? Soluti…… -
Java – guava charmatcher static initialization slow
Update: looks like my 13.0 1 is the calling code from this diffed charmatcher http://code.google.com/p/guava-libraries…… -
Why is this code not compiled in javac, but there are no errors in eclipse?
The following codes: @Retention(RetentionPolicy.RUNTIME) @Target( { ElementType.METHOD,ElementType.FIELD,ElementType.A…… -
Java – how to subclass the general ArrayList so that the instance of myarraylist will become a subclass of ArrayList?
I want to keep my subclass generic. All I want to change is the add (object) method of ArrayList to call ArrayList Add…… -
Convert Java bytecode to other presentation and programming languages
I am looking for ways / tools / projects to convert Java bytecode to other programming languages, or at least in struc…… -
Java – spring data findfirstby throws correctresultsizedataaccessexception?
I want to use SQL SELECT. XML with method name in spring data The selection should be sorted by price @Entity public c…… -
Java – converts dates to timestamps in scala
In Scala, I convert date to timestamp I am doing this: val date = new java.util.Date() new java.sql.Timestamp(new org.…… -
Java – my periodformatter didn’t behave as I expected – what did I do wrong?
I'm having trouble using joda time's periodformatter I want someone to report days, hours, minutes and seconds, but my…… -
Java – joda datetime format for xmlregionancalendar type
I use JAXB 2.2 8-b01 impl, I have a schema, which has an XS: date element, which creates an xmlregionancalendar instan…… -
Java – string S1 = = string S2 (true) but fieldoffset is different
When I was learning Java, I already knew that the correct way to compare two strings was to use equals instead of "= =…… -
How to replace classes in applications running in Java?
I have a class named namegenerator I can use it to generate names based on a given logic Then I write a testnamegenera…… -
If the parent class / interface changes, will the bytecode of the class change?
I am trying to determine whether some jars need to be recompiled in the build chain. If I have the following structure…… -
Java – print ArrayList element?
How do I print element "e" in ArrayList "list"? ArrayList<Dog> list = new ArrayList<Dog>(); Dog e = new D…… -
How to force a java thread to close a thread local database connection
When using thread local database connection, the connection needs to be closed when the thread exists I can do this on…… -
Java – Eclipse: search for strings in selected packages?
How do I search for strings in classes in multiple selected packages? Search multiple strings in eclipse seems to sear…… -
Use Java 5 enumeration as velocity variable
All I need to use Java 5 enumeration in the speed template so that I can write something similar public enum Level{ …… -
Java – how to set default headers for all requests in the Apache HTTP client?
For example, the default user agent can be set to: Solution Httpclient 4.3 now allows a set of default headers to be c…… -
Java – switch to BigInteger if necessary
I am reading a text file containing numbers in the range [1,10 ^ 100] Then I perform a series of arithmetic operations…… -
GradleWorkerMain OutOfMemoryError
I'm trying to score the NetBeans RCP project and find strange gradle behavior Environment configuration Gradle 1.9 Bui…… -
Multithreading – JPA and threads in the playback frame
I'm trying to create a multithreaded server The problem is that I received the following error: What I want to do is a…… -
java – Spliterator – size vs subsized flags
https://docs.oracle.com/javase/8/docs/api/java/util/Spliterator.html >Is there a case where the sized flag is on bu…… -
Java – tableview cell span
Is there any way to make TableCell horizontal span? I want to create a tableview similar to the one shown in the figur…… -
How do I delete extra space between rows in Jasper reports?
This is my JRXML Code: <?xml version="1.0" encoding="UTF-8"?> <jasperReport xmlns="http://jasperreports.sourc…… -
Java – eclipse and NetBeans web services tools
Some time ago (about 4-5 months ago), I attended a lecture on Java EE, and at some time, the lecturer began to discuss…… -
Java – how driver classes reside in JDBC 4
A good addition in version 4 of JDBC is that you don't have to load it explicitly What's my problem? What if there are…… -
Java – is the localecontextholder secure in the service layer
According to the official documents, the localecontextholder is: So it's related to the current thread, but it's about…… -
Java proxy authentication
I have a Java webapp running in Tomcat 6 that loads RSS feeds from remote URLs I use Rome to handle RSS feeds and diff…… -
Java integer tags and bitwise operations for memory reduction
Is the use of integer tags and bitwise operations an effective way to reduce the memory footprint of large objects? &g…… -
Do java 8 lambda expressions use GPU?
I recently got in touch with Java 8 and I'm trying to learn lambda expressions IntStream.range(0,(screenSize.width * s…… -
Java – how to set a value to a class variable without using a setter
I want to insert a value into the object variable without using a setter How is that possible? This is an example Clas…… -
Java – using wildfly 8’s simple rest API
First of all, I am a novice in this environment I've developed Java before, but I'm not an application server I've nev…… -
Java – JSP string format truncation
Does anyone know how to use tag library to truncate strings in JSP? I want to use Jakarta taglibs, but say it's retire……