包含标签：Java 的文章
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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 – why can’t object [] be converted to string []
>No error Object[] a = new String[]{"12","34","56"}; String[] b = (String[]) a; >No error Object a = new String[…… -
javax. Persistence field, comment of getter or setter?
I am learning hibernate and Java persistence API I have a @ entity class that needs to annotate each field I've listed…… -
Java – run “MVN package” on “build project” in eclipse
I have Maven java project during the solar eclipse I right click the project and select "build project". I want "MVN p…… -
How to configure Xdebug using Wamp
I'm using Wamp 2.0 and trying to install the Xdebug extension for PHP I have followed all the steps written here http:…… -
Multithreading – creating threaded local objects on Scala
I'm writing a computing library in scala Similar functions I grouped into local Scala singleton objects containing som…… -
Java – create immutable objects using JAXB
I am using JAXB to create Java objects from XSD files I'm creating immutable wrappers to hide JAXB generated objects (…… -
Java – how do you ensure that multiple threads can safely access class fields?
How do you maintain thread safety when accessing class fields through getter methods through multiple threads? Is the …… -
Java – when using HashMap, the values and keys are guaranteed to be in the same order during iteration?
When I iterate over values or keys, are they related? Map the second key graph to the second value? Solution No, not n…… -
Java EE – GlassFish V3 domain server cannot start The port is occupied
I imagine this is a very general mistake I can't seem to find any files I'm just trying to run a Java Web project with…… -
How to run Java programs on the server?
I've made a will The data in CSV file is stored in the Java application of MySQL database Now my client wants to uploa…… -
Unit test cases using JUnit (robolectric or mockito or both in Android)
This is the first time I have written unit test cases in Android So I searched a lot of things >Robolectric framewo…… -
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 – eclipse Juno: unassigned closable value
I wonder why I got the warning of this new eclipse Juno, although I think I closed everything correctly Can you tell m…… -
Java – singleton mode
Recently, I asked questions about Java in an interview with the following code. Because I just started using Java and …… -
Java – error reading type of elexception
When I showed my JSP page and tried to call a defined getCurrentlocation () function in the Person type, I received an…… -
Java / Swing: convert text string to shape
I want to convert some arbitrary text into shape (Java. AWT. Shape), and then stroke / fill the shape What shall I do?…… -
What is the best way to inform administrators about new exceptions to Java applications?
My question is what is the best way to track exceptions from application administrators (for maintenance purposes, not……