包含标签：Java 的文章
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. Net – using dapper ORM to improve the performance of SQLite batch insert
I'm using a desktop application that uses SQLite to batch insert tens of thousands of rows into the SQLite database I …… -
Java – what is the optimal initial capacity of a StringBuffer for input with a very variable length?
Good afternoon, everyone. I use Java Lang. StringBuilder to store some roles I don't know how many roles I want to sto…… -
The mockbean annotation in the Java – spring boot test results in a nonuniquebeandefinitionexception
I have a problem using @ mockbean annotation The document says that mockbean can replace beans in the context, but I g…… -
“Error: java_home is not defined correctly.” Building jikes RVM
When I built jikes RVM on Ubuntu, I received this error Any ideas? bin/buildit localhost production ---> Config: pr…… -
How to kill these code blocks in Java?
caller: switch (type){ case "creature": Creature returnActor2 = getNextCreature(); …… -
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 – Android audiorecord does not initialize
I'm trying to implement an application that monitors microphone input (especially breathing) and provides data based o…… -
Java – will Add the class file to your eclipse project
This is a new question, but I can't understand it, so I think I'll ask it here to see what happened The problem here: …… -
Java GUI: Document Object Model
HTML has a document object model, and then JavaScript can manipulate / move When I create a GUI in swing - the model l……