Java
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Line order in Java manifest file
Is the order of lines in the manifest file important? Someone tried to convince me that when the manifest file changed…… -
Find synonyms and roots of words in Java
I am developing a Java application. The user enters a word in the text box, and the synonym of the word must be automa…… -
File in Java Exclude system files from lists()
I'm in Java io. Use method file in file Listfiles() gets the list of files, but it returns some system files, such as …… -
Does mixing SIMD instructions and multithreading reduce performance?
I am interested in doing a project on face recognition (using SIMD instruction set) But in the first semester of this …… -
Java Network: Improvised socket / InputStream
I'm implementing an event - oriented layer on a java socket. I wonder if there is a way to determine whether there is …… -
Java – SQLite selecting from like statements does not work?
When I look at the database and run this query, I get the expected results SELECT * FROM users WHERE options LIKE '%[-…… -
Java – spring boot crudrepository auto assembly error
I have a following code structure for my springboot application: I exception nosuchbeandefinitionexception on bean use…… -
Brotli compression multithreading
My understanding is that brotli stores the block size information in the meta block header, only the final uncompresse…… -
Java – cannot run swing from the command line
I use the command line in windows to compile and then execute my @ L_ 502_ 1 @ procedure I've already gone http://java…… -
Java – completable future usability and unit testing
I was learning java 8 completable future and finally got this All fists, what do you think of this line of code? I nee…… -
Java – add additional path to exec Maven plugin
I want to add an extra classpath for exec Maven plugin <plugin> <groupId>org.codehaus.mojo</groupId&g…… -
Unable to find iframe in selenium webdriver (Java)
I want to select an iframe element in the pop - up window I can enter the pop-up window, but I can't find iframe The f…… -
The Java enums value is used with generics
I need something like this: public enum Enum { ENUM1<Class1>(Class1.class,"A DESCRIPTION",new Class1()),ENUM…… -
Java – Autowired gives a null value in the custom constraint validator
I'm new to spring, and I've found answers to some questions on so Here are the links: Spring 3.1 Autowiring does not w…… -
Java – use xmlcoder to convert encoded XML to list
I'm writing an application that reads a lot of basic user details in the following formats; Once read in, it allows us…… -
Java – args4j: how do I manually sort options in usage?
In args4j, I define the following options: @Option(name="-host",usage="host to connect") @Option(name="-port",usage="p…… -
Java – JPA @ entity inheritance
I have been studying JPA / Hibernate @ entity inheritance for some time, and it seems that I can't find anything to so…… -
Java – lists all sequences in HSQLDB 1.8
How to list all sequences in a specific schema in HSQLDB 1.8? Note: HSQLDB 1.8 does not support the information introd…… -
Java – get NullPointerException when parsing JSON
To me, everything seems right: get the result object, get the series array, get the object at the index, and get the d…… -
Java – core dump cannot be written Minidump is not enabled on the client version of windows by default
I have this Java class, and I try to use eclipse Mars 1. Ide operation This is the code: import com.xuggle.mediatool.I…… -
Java – OO game design issues
I'm writing a simple game in Java, but I'm trying to be 'right' with a beautiful and clean design without hacker attac…… -
Java wildcards behave strangely when classes are generic
I think I have some good understanding of Java generics This code is not compiled. I know why We can only pass the typ…… -
Java – string constant pool and intern
I've tried to understand the concepts of string constant pool and Inter in recent days. After reading many articles, I…… -
java – HttpProtocolParams. Setuseexpectcontinue (params, false) – when is it set to true?
I'm using org apache. http. impl. client. Defaulthttpclient retrieves XML from WebService and tries to determine wheth…… -
Java – use application Properties is localized to logback.com in spring boot Location of XML
How to use application Properties customize logback in spring boot Where is the XML? I tried the following, but it did…… -
Java – static variable vs volatile
I'm just asking questions from a thread perspective... I may have answered many times, but please help me understand t…… -
Conflicting overloading of Java – hamcrest matcher
The matcher isiterablecontaininginanyorder has two overloads on the static factory method containsinanyorder (both hav…… -
Java speed access array index and temporary variable
What is java faster Directly access the array index multiple times, or save the value of the array index to a new vari…… -
Java – how do I use garbage collection to delete files?
Hi, I use a lot of temporary files in Java. My problem is that they won't be deleted There is no need to implement my …… -
Java – use mockito’s argumentcaptor class to match subclasses
The following code shows my problem In fact, I'm trying to use mockito's argumentcaptor to verify whether a method is …… -
Missing project in Java build path – project settings
Import two Java projects for the eclipse workspace: > MainProject > SecondProject Mainproject. Is required on th…… -
Java – polymorphic deserialization of JSON using Jackson, and the property type becomes “null”
I'm using Jackson to convert a large JSON string into categories and subclasses I have a list of objects. Each object ……