包含标签：Java 的文章
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Java – Eclipse’s $fall-through $annotation standard?
I use eclipse, so I use / / $fall - through $annotation, which is a common practice in switch statements and so on But…… -
Java – how can pattern search be faster?
I'm processing about 1GB of incremental files and I want to search for a specific pattern Solution Basically, what you…… -
Java – elasticsearch – using filterbuilders
I'm new to elasticsearch and couchbase I'm building a sample Java application to learn more about elasticsearch and co…… -
Sort the array by length, then alphabetically
How do I arrange arrays alphabetically? I have a list of numbers that I'm getting: Something1 Something10 Something2 S…… -
Java – no JPA transaction is currently active
It is implemented using JPA and eclipse link Code: try{ if(!em.getTransaction().isActive()) em.getTransact…… -
Java – let Android applications listen to shared links
When a user shares a URL from another application (such as a browser), I want my Android application to appear as an o…… -
Java – how to quickly create instances in CDI
Let's suppose I have a car class In my code, I want to create 10 cars The car class has some dependencies on the @ inj…… -
Java – server 415 response code
I'm using jetty web server and Jersey for rest processing I define: @POST @Path("/sendMessage") @Consumes ({MediaType.…… -
What kind of things can you use Java instead of Python?
I will choose a new programming language, Java, and have been using Python for some time But it seems that most things…… -
java – PropertyNotFoundException：Target Unreachable,’null’returns null
See the English answer > identifying and solving javax el. Propertynotfoundexception: target unreachable7 WARNING: …… -
How do I attach to a Java exception?
I am a novice and general exception to Java In my previous days of C / Perl programming, when I wrote a library functi…… -
Java – capture outofmemoryerror
Is there any memory error (Java. Lang. outofmemoryerror) in Java? Solution Yes Here are several examples to illustrate…… -
Java – retrieves the first number of a number
See the English answer > return first digit of an integer18 int number = 534; String numberString = Integer.toStrin…… -
Java – spring does not have an XML hibernate mapping class
In my ApplicationContext XML, this is how I map XML to POJO How do I map directories to class files without creating X…… -
Java – thread safe date parser
I am looking for a thread safe alternative to simpledateformat Parseobject is not implemented in the old fastdateforma…… -
Java – how to determine if the incoming connection is from the local computer
I have a socketserver that accepts incoming connections For security reasons, I should only allow local connections (f…… -
Does Java – mybatis implement JPA?
An easy question, I think Solution No, ibatis is not an ORM mapper like hibernate, so it does not implement JPA JPA is…… -
SBT java. io. IOException: not in gzip format
The windows 7 Pro computer did not shut down properly When the machine is restarted, running 'SBT test' will cause thi…… -
Java – how to limit the file types uploaded to spring mvc3 controller
I am using spring MVC 3 to handle the file upload of my web application Now, I can limit the size of the file being up…… -
JMX – MBean simple chart monitor
I have some JMX beans that expose performance information in my application I want to draw an MBean attribute in the d…… -
Java – detect objects (words) in images
I want to realize object detection in license plate (city name) I have an image: I want to detect whether the image co…… -
Java – how to determine if the incoming connection is from the local computer
I have a socketserver that accepts incoming connections For security reasons, I should only allow local connections (f…… -
JUnit – main difference: mockito and jmockit
This is what I found when I first tried to use jmockit I must admit that I found the jmockit document very concise abo…… -
Java – Scala divided by zero produces different results
I'm confused about how Scala handles division by zero This is a repl code snippet scala> 1/0 java.lang.ArithmeticEx…… -
Simple adapter problem, fine tune text image Java,Android
Greetings to all ArrayAdapter healthadapter = ArrayAdapter.createFromResource( this,R.array.health…… -
Create an array without declaring size – Java
I've been discussing the same problem, but I can't find the same one as me I want to create an array without declaring…… -
Java – how to implement the same interface multiple times, but with different generics?
There is already an answer to this question: > how to make a Java class that implements one interface with two gene…… -
Java – how do I ignore certain types of uncapped exceptions in eclipse?
I use third - party libraries in my java applications This third - party library throws a custom uncapped exception wh…… -
Java – logback file error: [rollingpolicy] has no applicable operation. The current mode is [[configuration] [appender] [rollingpolicy]]
I am using login akka to write the log to the file. Everything is good until my log file stops writing the log. Maybe …… -
Java – the keyword “class” is in the declaration
I was faced with a rather simple question in the interview Why do we use the class keyword to declare classes? Solutio…… -
Java – use system exit(0)
public class WrapperTest { public class WrapperTest { static { print(10); } static void print(int…… -
Unable to find Java nio. File package
My java compiler can't find Java nio. File package consider: import java.nio.file.*; public class Test { public st……