Java 归档 - Page 355 of 655

Java – with restlets, xStream annotations don’t seem to have any effect

Using @ xstreamomitfield in my POJO doesn't seem to have any impact Annotated fields are still exposed in XML or JSON ……

Java

2020-01-17

Java – why is “. Concat (string)” much faster than “”?

See the English answer > string concatenation: concat() vs "+" operator11 for(int i = 0; i < 100000000L; i++) { ……

Java

2020-01-17

Java – what dependencies are required for the embedded ActiveMQ proxy?

I am trying to use the embedded ActiveMQ agent for unit testing as follows: http://activemq.apache.org/how-to-unit-tes……

Java

2020-01-17

Java – values cannot be placed in MDC

I tried to record several values in onbeginrequest () of requestcycle () in the ticket Here are the codes: getRequestC……

Java

2020-01-17

Java – why does the scheduleatfixedrate – schedulewithfixeddelay method not use callable

I'm doing some experiments on Java 8 concurrency In the scheduledthreadpoolexecutor API I can see the following two si……

Java

2020-01-17

Java – set vs list vs array as return type of EJB method

I was recently told that collection should take precedence over list as the return value of EJB methods The argument i……

Java

2020-01-17

Java – JUnit Derby spring: the in memory database is discarded after each test

In my unit test, I automatically installed some data sources using URLs jdbc:derby:memory:mydb;create=true Create dB i……

Java

2020-01-17

Java – explains the behavior of automatically incrementing a composite ID sequence using hibernate mapping

I have a table CREATE TABLE `SomeEntity` ( `id` int(11) NOT NULL AUTO_INCREMENT,`subid` int(11) NOT NULL DEFAULT ……

Java

2020-01-17

Is there OLE automation in Java?

Can OLE automation be used in Java? If not, why is it impossible in Java? I want to automatically export Excel spreads……

Java

2020-01-17

Array – call the constructor with array parameters from PowerShell

I am a beginner and know c# moderation Recently, I was writing this power shell script and wanted to create a HashSet ……

Java

2020-01-17

What kind of Java syntax is “= = null? False: true;”

I'm looking at the code and wondering what this means: Boolean foo = request.getParameter("foo") == null? false:true; ……

Java

2020-01-17

Java: how to check whether a lock can be acquired?

If I want to ensure exclusive access to objects in Java, I can write this: ... Zoo zoo = findZoo(); synchronized(zoo) ……

Java

2020-01-17

Java – stores the contents of a text file line by line into an array

All, the problem I'm facing now is that I don't know how to store the contents of the text file in the array Is it pos……

Java

2020-01-17

Java generics and number classes

I want to create a method to compare a number, but can have an input of any subclass of a number I see this in the fol……

Java

2020-01-17

Haskell – parallel strategy using Monad

I often see the use and interpretation of Haskell's parallel strategy related to pure computing (such as FIB) However,……

Java

2020-01-17

Are the default values of Java annotations compiled into bytecode?

I tried to implement several static analyses for Java bytecode They try to calculate whether a method has specific pro……

Java

2020-01-17

Java – learn about spring boot

I try to understand the difference between spring boot and spring boot web Starting from this boot tutorial, POM inclu……

Java

2020-01-17

Java – how to check how many threads are waiting for the synchronization method to unlock

Is there any way to check how many threads are waiting for the synchronization method to unlock? I want to know when a……

Java

2020-01-17

Java – push notifications in spring MVC webapp

I am writing a forum web application using spring MVC I'm just a beginner in spring. Now it's only a week I need help.……

Java

2020-01-17

Java – pass the parameterized class instance to the constructor

I have lost my way through the jungle, please help me:) I have such a thing: public class BaseClass<TYPE> { ……

Java

2020-01-17

Java – project Euler problem #12

I have always been happy to challenge with project Euler. I noticed that my solution 12 is my slowest speed, reaching ……

Java

2020-01-17

Version control – advantages and disadvantages of version control Javadoc

I'd like to know whether to submit Javadoc files to my project's SVN repository I've read about SVN good practices, in……

Java

2020-01-16

Java stream – collection combiner

Why the following codes: StringBuilder sb22 = IntStream .range(1,101) .filter(x -> x > 50) .@R_91……

Java

2020-01-16

Java – syntax error on the expected token variabledeclaratorid after this token

In the next line, I get "syntax error of the expected token variable declaration after this token" listAq = new AQuery……

Java

2020-01-16

Java – symbol class onclicklistener not found

I'm a novice in Android development This is my problem Anyone can help me with this. I've been looking for a solution ……

Java

2020-01-16

Java – will The war file deployed to Tomcat 8 works normally in the IDE, but when I deploy to my VPS, I lose all JS and CSS

I have a spring boot application When I started running Tomcat 8.0 in my IntelliJ IDE_ I have no problem. It looks gre……

Java

2020-01-16

Java – extends multiple classes

I know that Java does not support multiple inheritance because it does not allow multiple classes to be extended I jus……

Java

2020-01-16

Java – parsing of external (third-party) beans

I know it's still not very popular because the specification was released a few months ago I haven't "installed" weldi……

Java

2020-01-16

This is Java What does the execute () method call mean?

I'm reading the Sun Java Tutorial. I see this page here: How to Make an Applet Under the heading "threads in applets",……

Java

2020-01-16

Java – how to find fully qualified table columns from hibernate metadatasources

I have an entity, and I have a class < myentity > reference: @Entity class MyEntity { @Id int id; @Colum……

Java

2020-01-16

Java – how to give an enumeration “valueof” with a class name?

Suppose I have a simple enum named animal, which is defined as: public enum Animal { CAT,DOG } I have a method, su……

Java

2020-01-16

How do i disable the intrinsic function usage of the JIT compiler?

I'm doing some performance tests on the JVM and I want to measure the impact of the use of intrinsic functions I want ……

Java

2020-01-16

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Java – with restlets, xStream annotations don’t seem to have any effect

Java – why is “. Concat (string)” much faster than “”?

Java – what dependencies are required for the embedded ActiveMQ proxy?

Java – values cannot be placed in MDC

Java – why does the scheduleatfixedrate – schedulewithfixeddelay method not use callable

Java – set vs list vs array as return type of EJB method

Java – JUnit Derby spring: the in memory database is discarded after each test

Java – explains the behavior of automatically incrementing a composite ID sequence using hibernate mapping

Is there OLE automation in Java?

Array – call the constructor with array parameters from PowerShell

What kind of Java syntax is “= = null? False: true;”

Java: how to check whether a lock can be acquired?

Java – stores the contents of a text file line by line into an array

Java generics and number classes

Haskell – parallel strategy using Monad

Are the default values of Java annotations compiled into bytecode?

Java – learn about spring boot

Java – how to check how many threads are waiting for the synchronization method to unlock

Java – push notifications in spring MVC webapp

Java – pass the parameterized class instance to the constructor

Java – project Euler problem #12

Version control – advantages and disadvantages of version control Javadoc

Java stream – collection combiner

Java – syntax error on the expected token variabledeclaratorid after this token

Java – symbol class onclicklistener not found

Java – will The war file deployed to Tomcat 8 works normally in the IDE, but when I deploy to my VPS, I lose all JS and CSS

Java – extends multiple classes

Java – parsing of external (third-party) beans

This is Java What does the execute () method call mean?

Java – how to find fully qualified table columns from hibernate metadatasources

Java – how to give an enumeration “valueof” with a class name?

How do i disable the intrinsic function usage of the JIT compiler?

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