包含标签：Java 的文章
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Java – Find Unused public members in eclipse
I have a class with 1600 public static members I have to find and delete unused Is there any way to do it in eclipse S…… -
Java – spring MVC passes a list of values from the JSP page to the controller
If I have HTML in < form >, like this: <input type="text" value="someValue1" name="myValues"/> <inp…… -
Java – friends list of friends who use twitter4j
How can I use twitter4j to get a friend list of friends or fans? Using getfriendsid (), I can only retrieve the list o…… -
Java – serialize POJOs using gson
I use gson to serialize POJOs – objects before and after changes The changed (called a) set by struts 2 can be easily …… -
How do I turn the monitor on and off in a Java application?
How do I turn the monitor on and off in a Java application? If you want to know why, this is a self-service terminal s…… -
Java – how to bind two parameters using play 2.0 routing
I'm learning play 2.0 (using the Java API) and want to have a double / float parameter (location coordinates), like ht…… -
Using multiple SSL client certificates with the same host in Java
In my java application, I need to use SSL to connect to the same host, but I use a different certificate every time Th…… -
Java – is there any way to create a basic array without initialization?
As we know, Java always initializes arrays at creation time That is, new int [1000000] always returns an array with al…… -
How can the Java – @ Autowired annotation be used for private fields?
See English answers > what is reflection and why is it useful? 21 Solution It applies to reflection Here you can fi…… -
Java – does any program recognize that it crashed last time?
What is the best way to let the (Java) program recognize the crash when it was last run, and display a message "it loo…… -
Java – is it acceptable to use the hamcrest matcher in non test code
I tried to find a clear answer to using hamcrest matchers in non - Test code I have done some research and have some c…… -
Java – what is the reason for the failure: “jarsigner: failed to try to rename {file} to {file}. Org” sign up with ants?
I received an error: When trying to sign a set of cans with ants in eclipse Ant build works well in this project and h…… -
Multithreading – prevents / removes threads from publishing messages to the main UI thread
My problem is that if a thread quickly publishes messages to the main UI thread, and if I update the UI at that time, …… -
Multithreading – why is Google Chrome renderer multiprocessing rather than multithreading?
Every time I load browser tags in chrome on my Mac, the application forks out to another process This seems to work di…… -
Java – problem downloading file using content disposition
I want my program to have a pop-up window to save as a window option before the file starts downloading, but when I ru…… -
Java – an elegant way to use flatmap in flatingby
So I have a piece of code. I'm iterating over a data list Each is a reportdata, which contains a case with long caseid…… -
Cost per class in a Java application – fewer large classes or several smaller classes
What is the memory cost for each new class added to a Java application? >Is it better to have 5000 large lines or s…… -
Java – how to configure my log4j (using GlassFish) login log directory instead of configuration?
My log4j The properties file has the following line: log4j. appender. logfile. File = MyApplication. log My log file a…… -
Java – cannot mask jar with Maven (invokespecial / static)
Complete error message: The jar file I tried to shadow is located in my own remote repository, using sonatype nexus Th…… -
Java – how to make NetBeans start faster NetBeans took a lot of time to open
I don't know if it's just my computer, but NetBeans is spending a lot of time turning it on I wonder what I can do to …… -
Java – parent POM Invalid wrapper for XML, must be ‘POM’, but ‘ear’
Someone can suggest a solution, with the following exceptions I'm going to create a multi - module project The parent …… -
Why does my java RSA encryption give me an arithmetic exception?
Yes Net, I generated the following public key file: <RSAKeyValue> <Modulus>xTSiS4+I/x9awUXcF66Ffw7tracs…… -
Java – gridbaglayout: how to prevent invisible components from crashing
When making the components of the layout managed by gridbaglayout invisible, the arrangement of other components in th…… -
Does java have a static sequential initialization failure?
A recent problem here is to have the following code (and similar) to implement a singleton without synchronization pub…… -
Java stretch icon fit button
I'm trying to resize my icon so that it covers the entire button and is in the center of the button When I try, it str…… -
Java – how to create an ArrayList correctly?
See English answers > type list vs type ArrayList in java15 List<String/*or other object*/> arrList = new Arr…… -
How to create a universal date formatter in Java for Solr?
I have a request that you can pass the date in the following format before indexing the date to Solr The following is …… -
Java – Excel read error: invalid header signature How?
I am uploading an excel file from my browser I'm using poi. Jar But get wrong The two JSP files I use are as follows: …… -
Java API streams collects streams in the map, where value is TreeSet
There is a student class with name, last name, age and getter Given a student object stream How to call a collect meth…… -
Java EE – ejbclient0000025: no EJB sink to process?
I tried to connect from an executable Java application (not on JBoss locally) to a remote EJB on JBoss 7.2 locally How…… -
Cause: Java sql. Sqlexception: connection and managed connection org. jboss. resource. ADA independent
I have an application for JBoss, seam, hibernate and H2 I wrote a simple operation to import data from an external fil…… -
How does Java – JFrame work? Deep inside, how does it draw things?
Usually, when I create a class, such as customer, I give it some data fields, that is, public int IDnumber; And some m……