包含标签：Java 的文章
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Java – Apache nutch – path problem
I tried to set Apache nutch to grab the URL and follow this guide As an old guide (this guide is 1. X, I use 2.3), I h…… -
Java – jooq and transactions
I've been reading about transactions & jooq, but it's hard for me to see how to implement it in practice Suppose I…… -
Java – a good working example of selenium 2 and webdriver
I've been using selenium 1, but now I want to migrate to selenium 2 / webriver To be honest, I find it a little diffic…… -
java – Hibernate：org. hibernate. hql. ast. Querysyntaxexception: unexpected token
I use hibernate. I have this query: List<Person> list = sess.createQuery("from Person").list(); With this statem…… -
Replace all substrings that appear in the string – is this more efficient in Java?
I know two ways to replace all substrings in a string Regular expression (assuming that "sub character substitution" d…… -
Java – how to query the values of columns set in parse as pointers to other tables
I use parse as my application. I want to query a table in which columns are set as pointers to other tables This is a …… -
Java – why can’t a class extend a static nested class?
This class: public class OuterChild extends OuterChild.InnerParent { public static class InnerParent { } } Una…… -
Java is backward compatible, but why do we need to upgrade many libraries when we upgrade the JDK from 1.6 to 1.8?
Recently, I upgraded the JDK version from 1.6 to 1.8 in a java project However, there are some compilation or runtime …… -
Java – how to get files from a resource folder Spring framework
I tried to dissolve my XML file: public Object convertFromXMLToObject(String xmlfile) throws IOException { FileInp…… -
Print an integer with 2 decimal places in Java
In my code, I use integers multiplied by 100 as decimals (0.1 is 10, etc.) Can you format the output for me to display…… -
Java – parse manifest.xml in jar What is the correct method for entries in MF files?
Manifest.jar included in many Java jars MF contains headers that look like headers See example [*] I want something th…… -
Java – vertx Web: where do I put the Webroot folder?
It should be easy, but not so far I've been using vert X 2 and recently switched to vert x 3. I thought I would try a …… -
You can (and how to) use javax in EJB modules naming. Context #lookup find CDI managed beans?
Yes (if so, how?) Using javax. XML in EJB modules naming. Context #lookup find CDI managed beans? I use GlassFish v3 I…… -
How do I format the Spanish month in a sentence using simpledateformat?
This is my code: /* package whatever; // don't place package name! */ import java.util.*; import java.lang.*; import …… -
How to get the unique ID of each object in Java?
See the English answer > how to get the unique ID of an object which overrides hashcode()? 9 It should be object an…… -
Java – prevent SWT scrolledcomposite from eating part of it
What did I do wrong? This is my code excerpt public void createPartControl(Composite parent) { parent.setLayout(new …… -
Java – learn about mappedby annotation in Hibernate
I try to understand the mappedby attribute of @ onetomany annotation in JPA I created the following example where the …… -
Java ee6 > packages JSF facelets (XHTML) and managedbeans into jars
Can JSF facelets and managedbeans be packaged into jar files? So can we use this code and UI combination in different …… -
Java – how to disable info logging in HBase client applications?
I'm writing a Java console application to access HBase, and I can't figure out how to get rid of all annoying info mes…… -
Java – how to make JButton have simple flat style?
The easiest way to make JButton display only the background color? I don't need any other effects, such as border, 3D …… -
Java – unreachable statement: while true vs if true
There is already an answer to this question: > unreachable statement error using while loop in Java 2 while (true) …… -
Java – how to use UUID and Hibernate as fields?
I try to use the generated UUID without @ ID annotation because my primary key is something else Applications don't ge…… -
Java error in bilinear interpolation of 16 bit data
I have a problem using bilinear interpolation for 16 bit data I have two images, Orig image and display image I want t…… -
Separate files for class definition and declaration in Java
I am a C programmer who is currently learning Java. I want to know if OOP in Java follows the same principle as the cl…… -
JavaFX 2.0 WebView / webengine renders web pages to images
I'm looking for a way to load the page and save the rendering as an image, just as you did with cutycapt (QT WebKit ex…… -
Java – Jenkins slave goes offline during the build process
Jenkins slaves were offline during construction How do I solve this problem? I saw many related problems on so and Jen…… -
Why and how does this java code compile?
See English answer > which overload will get selected for null in Java? three public class Riddle { public sta…… -
Javadoc – is there an @ inheritdoc equivalent in Doxygen?
I know Javadoc will compile {@ inheritdoc}, but what is Doxygen doing? Solution There is a clear copydoc, which I thin…… -
Java – what is the “link to editor” function in eclipse?
I'm new to eclipse (and I don't know NetBeans) I'm reading the eclipse tutorial But I was stacked and couldn't underst…… -
Javafx-2 – set fonts globally in JavaFX
How do I set font types globally in JavaFX applications? Is there a solution you can use? In JavaFX 8, the default fon…… -
Java – can two threads access synchronous methods at the same time?
public class Deadlock { public class Deadlock { static class Friend { private final String name; p…… -
Memory usage of byte arrays in Java
See the English answer > java process memory check test2 public class Main{ public static void main(String[] ar……