Java 归档 - Page 338 of 655

Java – change fonts of different lines in jtextarea

I want to add different font lines in jtextarea, but the last font seems to overwrite another font Please help import ……

Java

2020-01-30

Java – Jenkins build fails with svnexception

I'm trying to run Jenkins build Here is my configuration Jenkins version: 1.445 deployment: as war Java: 1.7 (server 6……

Java

2020-01-30

Java – the key in treemap returns null

So I have a very strange mistake When I first used keyset () to iterate over the first 10 keys of a large treemap, I s……

Java

2020-01-30

Java – if there is no code: is it just an intellectual challenge or is it useful?

A friend of mine is discussing these design techniques for object state transformation (he is a Java master, by the wa……

Java

2020-01-30

Java – is it valid to get the logger from the static final variable initializer?

We have many class codes, and they have some templates as follows: private static Logger logger = null; private stati……

Java

2020-01-30

Java – ActiveMQ oom with stomp enabled

After enabling the stomp protocol on the ActiveMQ server (before it only enables the default protocol), it starts to f……

Java

2020-01-30

Migrate Jersey project to work in Jersey repackaged. org. objectweb. asm. Java. In classreader Java 10 result used in lang.illegalargumentexception

Previous projects run well on Tomcat 8 and JDK 8, but when I migrate my projects on Tomcat 9 and JDK 10, it gives the ……

Java

2020-01-30

Emacs – Tuareg mode and CAML mode

I am currently using Tuareg mode, but I hope to be able to use the function of cam mode In particular, I want to be ab……

Java

2020-01-30

Java – how to ignore checkstyles on methods based on specific patterns

Does the checkstyle rule methodlength have a way to set the mode for the method to be ignored? I want to disable the c……

Java

2020-01-30

Java – why should you try to throw an unchecked exception on a checked exception?

See English answers > the case against checked exceptions 32 If I have this method title, two exceptions will be th……

Java

2020-01-30

com. sun. JNA and net java. What is the difference between dev.jna?

I'm looking at the central Maven repository and looking at net java. Dev.jna and com sun. jna groupId for JNA. JNA's G……

Java

2020-01-30

Java – calculates the nth floating point number

Using 32-bit floating-point numbers, I think there are floating-point numbers like 2 ^ 31 – 1 In Java, you can use an ……

Java

2020-01-30

Implementation of observable pattern in Java

I am currently using the observer / observable pattern of Java. I want to know: In this way, if we want, we can use cl……

Java

2020-01-30

Model view controller – questions about Java EE 6 architecture

>From the above figure, I can conclude that Java EE 6 architecture is a 3-tier architecture What I don't understand……

Java

2020-01-30

Java recoverable hash calculation

I want to realize the recoverable instant hash generation of some files uploaded on the server The file is very large,……

Java

2020-01-30

Multithreading – Perl asynchronous task for “any” code, no matter what it is?

I have been writing a "Checker" system to perform various "checks" on various services, systems, databases, files, etc……

Java

2020-01-30

Java EE 6: how to call a stateful session bean from a stateless session bean?

I have a stateful session bean (SFSB), which acts as an authentication module In SFSB, I store the currently logged in……

Java

2020-01-30

Java – Canny’s algorithm: lag error function

I'm writing Canny's algorithm. I seem to have a lag problem The threshold seems to be working, but my lag doesn't seem……

Java

2020-01-30

Java video processing library

I want to extract frames from video and apply some filters on them, such as Gabor / Hough, etc Which Java library is p……

Java

2020-01-30

Java – how do I scale fonts on a high resolution screen?

On the high resolution screen (my example, windows 8.1) is my java application In particular, the menu is so small tha……

Java

2020-01-30

Java – how to use yaml attribute and constructor injection in spring boot?

I know it should be a piece of cake, but I just didn't get anywhere In my spring boot application, in application In t……

Java

2020-01-30

Java keystore and password settings

I have the following problems on Java keystores and keytool I assume that the keystore may have multiple certificates ……

Java

2020-01-30

New constructor in xxxsummarystatistics java-10

I see that java-10 adds a constructor for intsummarystatistics (long summarystatistics and double summarystatistics), ……

Java

2020-01-30

LinkedList checkforconfirmation error Java

Well, what I'm trying to do here is let a method "run" a given quantitative "time" process. All the joints work to som……

Java

2020-01-30

Java – spring boot remote shell custom command

I tried to add a new custom command to the spring boot remote shell, but failed http://docs.spring.io/spring-boot/docs……

Java

2020-01-30

Java – why does overridepending transition not take effect when jumping from fragment to new activity?

The first activity contains a clip with a button inside. When I click this button, I want to jump to a new activity wi……

Java

2020-01-30

Java – spring MVC: should the service layer return dto specific operations?

In my spring MVC application, I use dto in the presentation layer to encapsulate the domain model in the service layer……

Java

2020-01-30

Java – create jar files from the command line

I have the following directory hierarchy: SigarTest src SigarTest .java files bin SigarTest .class……

Java

2020-01-30

Java – HttpServletRequest #getremoteaddr() returns null

Why HttpServletRequest Getremoteaddr() sometimes returns null? For about 2 identical requests, null is returned for no……

Java

2020-01-30

Java – base64encoder is an internal API and may be removed in future versions

See the English answer > how to avoid warning for the base 64? 2 code: public static String Encrypt(String Data) th……

Java

2020-01-30

Using SDK to develop mobile phone (Java) or not?

Recently, I have to use java to develop mobile phones. I plan to develop on the following brands: NOKIA Samsung Sony E……

Java

2020-01-30

Java – how do I run the play framework 2.1 project in IntelliJ?

I have an existing play 2.1 project I've been running it on the console and it works normally However, when I try to r……

Java

2020-01-30

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Java – change fonts of different lines in jtextarea

Java – Jenkins build fails with svnexception

Java – the key in treemap returns null

Java – if there is no code: is it just an intellectual challenge or is it useful?

Java – is it valid to get the logger from the static final variable initializer?

Java – ActiveMQ oom with stomp enabled

Migrate Jersey project to work in Jersey repackaged. org. objectweb. asm. Java. In classreader Java 10 result used in lang.illegalargumentexception

Emacs – Tuareg mode and CAML mode

Java – how to ignore checkstyles on methods based on specific patterns

Java – why should you try to throw an unchecked exception on a checked exception?

com. sun. JNA and net java. What is the difference between dev.jna?

Java – calculates the nth floating point number

Implementation of observable pattern in Java

Model view controller – questions about Java EE 6 architecture

Java recoverable hash calculation

Multithreading – Perl asynchronous task for “any” code, no matter what it is?

Java EE 6: how to call a stateful session bean from a stateless session bean?

Java – Canny’s algorithm: lag error function

Java video processing library

Java – how do I scale fonts on a high resolution screen?

Java – how to use yaml attribute and constructor injection in spring boot?

Java keystore and password settings

New constructor in xxxsummarystatistics java-10

LinkedList checkforconfirmation error Java

Java – spring boot remote shell custom command

Java – why does overridepending transition not take effect when jumping from fragment to new activity?

Java – spring MVC: should the service layer return dto specific operations?

Java – create jar files from the command line

Java – HttpServletRequest #getremoteaddr() returns null

Java – base64encoder is an internal API and may be removed in future versions

Using SDK to develop mobile phone (Java) or not?

Java – how do I run the play framework 2.1 project in IntelliJ?

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