Recent Posts
-
Java – how to calculate the number of elements that match the streams predicate?
In Java 7, I have this Code: public int getPlayersOnline() { int count = 0; for (Player player : players) { …… -
Java – there is a system in IntelliJ out. Shortcut to println package statement
In my opinion, sometimes I want to print the value of a variable, so I repeat the following operations: >Write Sout…… -
Java – Android background text Icon for a button
I want to have an image set as the text on the background and the icon on the left of the text iPhone: Android I have …… -
Oauth2 provider server implemented on Java
I'm searching for a work oauth2 provider server implemented on Java, https://github.com/SpringSource/spring-security-o…… -
Java – in the getClass () document, what does “erase the static type of the called expression” mean?
The document of "public final class getclass()" method of object says: I don't understand the explanation, especially…… -
Java – the difference between static and dynamic data structures
What are the main differences, advantages and disadvantages between static and dynamic data structures? In which categ…… -
Java – calling static methods on classes?
I have a reference to a class object and sometype has a static method Is there a way to call this method without insta…… -
How to handle outofmemoryerror in Java?
See English answers > how to deal with "Java. Lang. outofmemoryerror: Java heap space" error (64MB heap size) 17 Ex…… -
Java – multiple choice test
I'm doing single - choice and multiple - choice tests I have several questions and four answers to each question Each …… -
Java – no segment * file found
I need to access the Lucene index (created by crawling several pages using nutch), but it gives the error shown above:…… -
Java – long long is not greater than long MAX_ VALUE
If I have a mission Long c = a + b; Is there a simple way to check that a B is no better than long MAX_ VALUE / Long. …… -
Java – how to mark JTable cell input as invalid?
If I use JTable and specify the classtype of the column on its model, it is as follows: @ h_ 502_ 2@DefaultTableModel …… -
How are Java applications deployed in the “real world”?
As a novice in the Java programming world, this problem always bothers me I first thought that all java files were com…… -
Normalize java bean property names
I have a bunch of third-party Java classes that use different attribute names to implement the same attributes: public…… -
Java – which API can I use to format ints as 2 digits?
What API can I use to format ints as 2-digit numbers? For example, in this loop for (int i = 0; i < 100; i++) { …… -
Java – use spring to get the declaration of the error message “CVC ELT. 1: element” bean “not found
I tried to set up a simple spring application and I got the following exception This is indigo running independently d…… -
Java – wait() on servlet throws an exception
I run a web application on the JBoss application server, and I'm trying to implement event library response from the s…… -
Java one time mode
C # supports the one - time mode of deterministic garbage collection using dispose pattern Does java have such a patte…… -
Java – why is the utteranceprogress listener not called to speak text?
I tried to call some methods to start and end text to speech, so I used setonutteranceprogresslistener, but it didn't …… -
Java – accelerate Apache Commons ftpclient transfer
I use Apache Commons ftpclient to upload large files, but the transfer speed is only a small part of the transfer spee…… -
Java – jtextfields: thread problem in activity drawing on JPanel
Has anyone tried to use swing to build an appropriate multi buffer rendering environment on which swing user interface…… -
Java – swing: link toggle buttons and button groups, and corresponding menu items
For a school project, I need to make a simple painting application that can draw lines, ellipses and rectangles Assign…… -
Java – convert map to map >
I have the map below Map<String,String> values = new HashMap<String,String>(); values.put("aa","20"); valu…… -
Java is equivalent to Net version class?
. Net system Does the version class have a Java equivalent? What do you say in Java? Version myVersion = new Version(2…… -
wait. Until (expectedconditions) no longer works in selenium
So far, I have used 2.45 In version 0, all waiting is completed as follows: webdriverwait wait = new webdriverwait(web…… -
Java – where is the calling event scheduling thread?
I read that all code for constructing swing components and handling events must be run by event dispatch thread I know…… -
Java – how to find all points in the path in Android?
After a while, I asked a question to see if I could find a specific point on the road; But this time, I wonder if ther…… -
Java – send a message from wearable to mobile phone and reply immediately
I've been fighting the Android wear message API, and I can finally accept that I need some help My application is very…… -
Using build Java replaces build XML, using Java and ant libraries as building systems
I've been disappointed with groovy based ant alternatives Ant builder doesn't work in eclipse, eclipse's groovy plug-i…… -
Java – how to handle properties in interceptor bindings
I have a note: @Inherited @InterceptorBinding @Retention(RUNTIME) @Target({METHOD,TYPE}) public @interface Example { }…… -
Java – where is the calling event scheduling thread?
I read that all code for constructing swing components and handling events must be run by event dispatch thread I know…… -
Java – AutoCompleteTextView forces all items to be displayed
There was a time in my application when I had to force all items in the suggestion list to be displayed no matter what……