包含标签：Java 的文章
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Java garbage collector and memory issues
I have a very strange problem with Java applications In essence, it is a web page using Mulan (CMS system). There are …… -
Java – Jersey 2 on JBoss 7
Has anyone successfully deployed Jersey 2 X and JBoss 7 x？ I try to use JBoss 7.1 1. Deploy Jersey 2.5, but encounter…… -
Java, static method binding and generics are all involved in some method overloading
So the title means that my question is a little strange and complex I know what I'm going to do to break all the rules…… -
Using the jigsaw module and jdk9 to run spring boot
What's wrong with this application I think the mixture of classpath jar and module jar is effective For all cans witho…… -
How to use JPA to enumerate the where clause in jpql?
I have an enumeration as an attribute of an entity When I try to use enumeration in jpql suqry, I give an error In add…… -
Java – how to upload to S3 through pause / resume support?
I want to know how to upload files to Amazon S3 through pause and resume support? (via web browser) Is there a sample …… -
Java – when to create a custom classloaders?
Why do you need to create a custom classloaders? A real-world example would be great! Solution Application servers suc…… -
The best way to analyze the HTTP traffic sent by my java code?
I have some new Java code (using Apache commons HTTP Library) and old (strictly using java 1.4 API), and try to rewrit…… -
Java – comments do not work
I'm working on an annotation that forces a class to be immutable Here is the processor code: @SupportedAnnotationTypes…… -
How to write windows software in Java?
I just studied Java in college However, I can only write programs that run on the command line How to use java to crea…… -
Java – what if you only reference objects from garbage?
Suppose there is an object a of class A, which holds a reference to another object B of class B This is the only refer…… -
Java – can eclipse evaluate expressions dynamically?
In some Java ides (such as BlueJ and drjava), users can open an interactive window where they can type Java expression…… -
Java Basics: static functions without names or return types
public class Main { public class Main { public static final Logger LOGGER = Logger.getLogger(Main.class.getName())…… -
Function style of Java 8 link
I have a map < < string, string >, which represents the link from a to B I want to link all possible routes F…… -
Java – how do I name repositories and service interfaces?
How do I name the repository and service interfaces and their implementation classes? For example, I have a model call…… -
Java – set up multi-directional – Android
I am a novice in Android programming. I have a problem with direction I hope my activities can only be viewed in portr…… -
Continuous integration – how do I test JavaFX 2 in a headless environment?
I tried to automatically test JavaFX 2 applications running on Java 7u6 through integrated JavaFX 2.2 As a next step, …… -
Java – how to centrally print statement text?
So I'm developing my java project, and as part of the program, I'm printing text Example: public static void main(Stri…… -
How to work in Net application to identify possible memory optimizations?
We have one Net application, our customers think it is too large-scale deployment. We want to know what will help our …… -
Processing objects according to the implementation of interfaces in Java
I have been looking for design ideas to solve this problem in Java I'm using a library (I can't change it). For this e…… -
Java – unable to initialize class com sun. xml. internal. ws. fault. SOAPFaultBuilder
I use JAXB - impl - 2.1. In the Maven library 3.jar .. Everything looks good in the POM entry If someone encounters th…… -
Java – does not override generic methods in superclasses – > which one to use?
In view of this situation: public class Animal { public <T> void genericMethod(T t){ System.out.pri…… -
Java – BufferedReader does not read all lines in the file
I tried to read / proc / net / XT in Android 6_ qtaguid / stats. 2 a0 0 0 123456 311 48329 737 48 1 3 b0 0 0 0 0 0 0 0…… -
Java – a fast algorithm for inverting ARGB color values to ABGR?
I am using intbuffer to operate the pixels of bitmap, but the value in the buffer should be aabbggrr and the color con…… -
Java – the difference between the final variable and the static final variable
I'm just studying the final data members. What's the difference between the final variable and the static final variab…… -
Java – why mine Jar files run slower than programs in eclipse?
I have a java program that reads a large amount of input data from the database, operates on it, and then writes the d…… -
Java mimetypes filetypemap always returns the application / octet stream on the Android simulator
I'm trying to determine the mime / media type stored on the Android device (actually a virtual device used with the em…… -
Java generics: wildcards
So I'm reading generics to get familiar with these concepts again, especially when it comes to wildcards, because I ha…… -
Java – JUnit testcase object instantiation
Is a new (or different) instance of the testcase object used to run each test method in a JUnit test case? Or is an in…… -
Java Jagged Array
Our job assignment requires us to use zigzag arrays to store the values of two-dimensional Boolean matrices Is there a…… -
Java – how to read streams one by one?
Java Stream. The foreach function has a serious limitation that its consumer cannot throw a checked exception Therefor…… -
Java – why do we need to avoid mutations in coding? What is mutation?
Why is the second code (code with flow) better than the first code? First: public static void main(String [] args) { ……