Java
-
JavaFX: how to connect two nodes in a row?
I want to connect two nodes (from the center of the first to the center of the second) with a line Initial ideas: Supp…… -
Java Swing button color
See the English answer > how to set background color of a button in Java GUI? 7 Now my next stage is to add color t…… -
Java – the broadcastreceiver did not receive the action of completing the download
I'm trying to capture download completion events, but my broadcastreceiver doesn't receive them This is the receiver: …… -
Java: force two-way linked objects
I design a game engine in Java The core of this engine is that there are two types of assets and attributes, among whi…… -
Java – spring boot extends crudrepository
I'm at @ L_ 301_ 0 @ use hibernate in boot application I am creating a new crudrepository for all my model objects to …… -
Conditionally remove Java methods at compile time
I'm trying to implement something like a c# preprocessor I know that Java does not have the same preprocessor function…… -
Java – cannot send a multipart / mixed request to pop up MVC based rest services
I have a spring MVC and resteasy rest service. I need to test it by sending multipart / mixed requests The service cod…… -
Java – how do I sign Mac OS X applications in Linux?
For OS X, I distribute Java applications to DMG Due to the release of mountain lion, the following error message will …… -
Java – the difference between enumeration and enumeration
There is no difference between enumeration data types and enumeration interfaces I became confused between the two I g…… -
Java – how to call the functions of the main activities from a custom arrayadapter?
I've seen a lot of similar problems and don't seem to have any work I have a main class of such functions, edit, displ…… -
Java – how to represent the type parameters of general polymorphic static methods in jshell?
In pure Java, I can write class P { static <A> A id (A x) { return x; } static int y = P.<Integer>…… -
rx-java – RxSwift – . subscribe vs . What’s the difference between subscribenext?
What is the difference between these two operators? http://reactivex.io Don't mention it subscribeNext. Solution In rx…… -
Java – PDF file download using BlockingQueue
I'm trying to download a PDF file using urlconnection Here is how I set up the connection object URL serverUrl = new U…… -
Can you help me collect the online material collection of Java best practices?
I work in a medium-sized development team and maintain a web application written in Java 1.4 for 8 years For new devel…… -
How to instantiate the Java Boolean wrapper class?
In Java, I can write code like this Boolean b = true ; It will work. I now have an object with a value of "true" How d…… -
Java generic parameters are scoped to any type
Is there a syntax or solution to restrict generic type parameters to any type? I know you can limit types to all types…… -
Delete the first element of stream in Java 8
I have used java Files in NiO library The walk () method generates a stream in Java 8 The problem is that the method c…… -
Why does my java custom cell renderer not highlight when rows / cells are selected?
I have a custom cell renderer to wrap cells with words, so more content can be read This is the code: import java.awt.…… -
Java – why HashSet RemoveAll requires secondary operations?
I have this code to generate a HashSet and call removeall() I made a Class A, which is just an int wrapper. It records…… -
Java heap analysis and OQL: counting unique strings
I do memory analysis on the existing Java software There is an SQL 'group by' equivalent in OQL to view the count of o…… -
Java InputStream. Read (byte [], int, int) method, how to block until the exact number of bytes is read
I am writing a simple client / server network application to send and receive fixed size messages through TCP sockets …… -
Java saxparser: different from ‘localname’ and ‘QName’`
In Java, the handler class contains a method named startelement The this method has a prototype: Public void startelem…… -
Is there a for Java application server Net simulation?
There is something in the Java community called Net? Similar to tomcat, resin and jetty I'm not interested in JSP equi…… -
Multithreading – dual locking mode in C 11?
The new model of C 11 allows multiprocessor systems to work reliably, wrt Reorganization order As Meyers and Alexandre…… -
Java – how do I determine the length of a graphic string?
I'm creating a graphical timeline from an excel document. I need to add a small label of the event name next to the ta…… -
Java: how to replace the last 16 bits of long with short
I have a long, short time Ex (divided into 16 bit blocks for ease of reading): > long = 0xffff 0xffff 0xffff 0xffff…… -
Java – what version of JBoss am I running?
(as the question:) how do I know what version of JBoss I am running? I'm also curious about what version of Tomcat I'm…… -
Java – why HashSet RemoveAll requires secondary operations?
I have this code to generate a HashSet and call removeall() I made a Class A, which is just an int wrapper. It records…… -
Java – controls the position of page breaks
According to the documentation, displayTag can be configured through paging banner. The placement attribute places a p…… -
Java – converts a list to a list (or any class that extends number)
I want to create a very general utility method to use any collection and convert it to a collection of user selectable…… -
Java – spring boot control target jar file name
My spring boot project has a build Description: <build> <plugins> <plugin> …… -
Is there a Java Translation Library working offline?
I really need to find a Java translation library that can be translated Solution For translating individual words, see……