Java
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Java – grouping sequences is a subsequence of a given sum with dictionary priority
I'm looking for a way to search for subsequences in a given sequence that sum up to a given number (sum, here 4) and h…… -
Java – how do we draw a line between two panels
I just want to connect the panel by drawing lines I have two panels, both of which contain a JTable I want to connect …… -
Java – eclipse RCP: using the configuration directory
My eclipse RCP application needs a configuration file that contains some information about connecting to a remote data…… -
Java – thinking in App Engine
I am looking for resources to help me migrate my design skills from traditional RDBMS data store to App Engine datasto…… -
Shadow of generic Java and type parameters
This code seems to work properly class Rule<T> { public <T>Rule(T t) { } public <T>…… -
Java – how do I split strings based on the first occurrence?
How do I split a string based on the first equal sign "="? therefore TEST1 = TEST1 Should be converted to test1, test1…… -
The Java conversion from PNG to JPG changes white to red
See English answers > JPEG image with wrong colors7 UploadedFile uf; //as a paremeter in function; PrimeFaces Objec…… -
Java – real time thread synchronization with normal threads
How to synchronize a real-time thread with a normal thread in Java? For example, real time threads that calculate cert…… -
How to handle exceptions when instantiating class objects
java version "1.7.0_45" java version "1.7.0_45" Hello I'm initializing class methods in the constructor However, the n…… -
Converting classic nested for loops using java 8 streams
See English answers > Cartesian product of streams in Java 8 as streams (using streams only) List<Card> deck …… -
Java – field lookup method of spring data repository
I have two entities, one user and one registered user The registered user has a field of type user I think there is a …… -
How do you get the mantissa of floating point numbers in Java?
I'm trying to get the mantissa of a floating point number (just for learning), but it doesn't work as expected Say the…… -
Suggestions for good java build tools are well integrated with eclipse
I work in several modules (about 10 at present) of a small team (3 people) The compilation, integration and management…… -
Java – how to use spring data to interact with elastic search aliases
Hi, I'm using elastic search for spring data The domain structure of my project is constantly changing So I have to de…… -
Java – best practices for installing third-party libraries into a hosted Maven repository?
Suppose you have a project that uses a third-party library, such as Google's Analytics data API (gdata), which does no…… -
Java – JNA catch exception
I have a quick question about handling exceptions thrown by the Library under JNA JNA receives an invalid memory acces…… -
Java – GWT and guava issues
It's hard for me to get GWT to work with guava I added guava-r09-gwt.net to my classpath Jar and < inherits name = …… -
Java – how to use the web XML contains additional configuration files
I need to define many servlets, but I don't want to use them on the web Write all configurations in XML I can define s…… -
Can I use them in Java code to take advantage of kotlin’s coroutines?
What is my goal? My goal is to be able to use kotlin's coroutine system in Java I want to be able to pause execution f…… -
What are the Java system classes?
When I read some documents about assertions, I found that: java -ea -dsa Which is the system class? Solution According…… -
Java Generics Pass . Class reference
I need to call a super constructor that requires me to pass a generic type Class reference How can I achieve this in J…… -
java. lang.NoSuchMethodError：org. springframework. http. MediaType. getCharset()Ljava / nio / charset / Charset
When I tried to run my TestNG test through ant, I got Java lang.NoSuchMethodError：org. springframework. http. MediaTy…… -
Java – how to identify anonymous inner classes in notserializableexception
Trying to debug the application in NetBeans received the following error message: During debugging, I have to insert "…… -
Java – spring profile contains yaml files
When the team set up WebSphere profile activation, I was trying to complete the cloud profile activation Yaml file ---…… -
Java – scan components of different Maven modules / jars in spring boot applications
I have two Maven modules package org.example.application; @SpringBootApplication @ComponentScan({"org.example.model",…… -
Java – ooobeans dead What choice do I have?
Recently, I started exploring the office bean library. In other words, I tried to run a simple OOo bean example First,…… -
Java – communication between two jpanels
I have this "main" panel (let's call it AAA) and borderlayout, as well as two panels (BBB and CCC): public class AAA e…… -
Java RMI: requires sniffer
How do I sniff and analyze Java RMI traffic? There are only very local solutions in Wireshark I need to know exactly w…… -
Java – you cannot use getdeclaraedfields() to retrieve fields from Scala classes
I'm trying to use Scala's Java library (johm) and notice that when lib tries to use something like model getClass(). G…… -
Java – exclude packages from Proguard
In Proguard How to include certain packages after excluding parent packages from CFG: For example: -keep com. myapp.**…… -
How do I mark Java methods as “must use results” for static analysis?
When compiling C or C with GCC, you can mark functions with attributes ((warn_unused_result)). If you call a function …… -
Java – instance level access control in Apache Shiro
I found a flexible security framework Apache Shiro I successfully realized authentication and authorization with Shiro……