Java
-
Java – with mockito Strange generic edge cases inferred by when () and generic types
I'm writing a Java. Net using mockito beans. For the test case of propertydescriptor, I want to laugh at the behavior …… -
Java – jax-ws client: maintaining sessions / cookies in multiple services
I use NetBeans to automatically create web service clients from WSDL files This is good, except that the web services …… -
Java – the queue is completely wrong. Cooperate with multiple consumers and producers
I want to simulate the following scenario: multiple users and producer threads are modifying some data establish Block…… -
Java – where are the private instance variables of the abstract class created in the heap?
abstract class A { abstract class A { private int a; public A(int x) { a = x; } public int get…… -
Java – liquibase hibernate plug-in does not work
As stated herein（ https://github.com/liquibase/liquibase-hibernate/issues/74 ）I encountered a problem making the liq…… -
Java – Preparedstatement cache – what does it mean (how does it work)
I'm using, for example, c3p0 and some defined "maxstatements" for preparestatement caching Now I send a prepared decla…… -
JPA cascading persistent error
I have a one - to - many relationship: product category can contain many products This is the code: @Entity public cla…… -
Java – unable to import org.xml junit. Assert. AssertThat;
I can't import org. In my program junit. Assert. AssertThat. I use Ganymede and JUnit 4.8 one Solution Static import I…… -
Java byte array conversion problem
I have a string that contains a series of bits (such as "01100011") and some integers in the while loop For example: w…… -
Java – how do I add interceptors to all API requests except one or two?
I know that an interceptor can be added to all requests through okhttpclient, but I want to know whether headers can b…… -
Java – Dynamic parsing logic operation – and, or, loop condition
I have an incoming record filter stored with logical clauses, as shown below Acct1 = 'Y' AND Acct2 = 'N' AND Acct3 = '…… -
Java Optimization: (hotspot / Dalvik) optimize the return constant of the final method?
Anyone can tell me whether hotspot or Dalvik is smart enough to inline call the final method that returns the constant…… -
Java – a method that uses private members or public accessors
I realize that this may not be answered, but I'm looking for some guidance on whether to directly use public accessors…… -
Java: how to ensure that interface methods don’t take more time than x?
I have an interface method Boolean right (). If it does not answer within one second, it should return false Solution …… -
Java – what causes “symbol not found” and how to fix it?
I've been trying to solve this problem. I've run it in different programs, so it must be in the code It may also be si…… -
java – String … whats do String … mean
I want to figure out some java code private static object [] methodName(NodeList nodes,String... Names) What is an ope…… -
Java – HTML 4 in JSF 2.1
I want to use the command: JSF < H: CommandButton > generate < input... > But I hope instead of generating…… -
Java – represents overloaded methods in UML
I tried to create a UML diagram representing some java code In class, I have an overloaded method As far as I know, th…… -
Java – Android Camera2 is too slow to capture bursts
I'm trying to modify the Android - Camera 2 basic code to capture a series of pictures However, running l 5.0 on my ne…… -
Java – JAXB converts @ xmlelementrefs and @ xmlelements to XS: choice
I have four classes The person class, and the phone and address classes are used to extend its abstract contactinforma…… -
Java – how do I close a socket in the right way?
This is a simple TCP server How to close the socket when the program terminates? Anyone can figure out how to close a …… -
Java case insensitive regular expression matching does not match the letter Ñ
Consider this procedure: import java.util.regex.Pattern; public class xx { /* * Ñ * LATIN CAPITAL LET…… -
Async await – Babel eslint: typeerror: cannot read null property ‘range’
I use Babel eslint to decorate / fix my code It worked well until I wanted to use some es2017 async waiting to find ov…… -
How to use java to get user input in array?
How to get user input in array using Java? Solution This is a simple code to read strings from stdin, add them to list…… -
Java – detects the shift modifier on mouseevent, which is generated by clicking from swing
I am using java swing to process some mouseevents in GUI applications From now on, I analyze mouse events in the mouse…… -
Why is the result type of short integer division in Java not a simple integer?
Consider this Code: public class ShortDivision { public static void main(String[] args) { short i = 2; …… -
Java – unable to start active resource $notfoundexception
I have published and run an application on Google play for several months Today, I received an error from a user whose…… -
Java – find a combination of alphabetical and natural order (also known as user rational sorting)
I think it's easy to find premade, but it seems that any solution I find online can only solve part of the problem I w…… -
Java – Maven dependency error in eclipse
I have a war artifact that I need to use some of their classes from the jar <plugin> <artifactId>maven…… -
Java – find the location of the search hit from Lucene
Using Lucene, what is the recommended method to find a match in the search results? More specifically, assume that the…… -
Upload Base64 encoded images to Amazon S3 using java
I'm trying to upload files to Amazon S3 storage using Amazon's Java API Code is Byte[] b = data.getBytes(); InputStrea…… -
java LinkedHashSet
I have been studying for ocjp (former scjp), and I have encountered the following example of using linkedhashset: publ……