包含标签：Java 的文章
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Java – why can’t my JNI code successfully find the GetMessage method of jthrowable?
I'm trying to access the message in jthrowable and handle the exception generated when the class cannot be found Howev…… -
Java – Liferay API / jsonws page can only be accessed by administrator users
Anyone can tell me how to restrict ordinary users from accessing Liferay API / jsonws pages The API / jsonws page can …… -
Write 3D games in Java
Hi, I started learning java this summer because I like creating games very much I managed to master the Java se core. …… -
Java – log4j: error with Tomcat 6
I wrote a web application in Java EE I use log4j and Tomcat 6.0 28. When I start my application in tomcat, an error me…… -
Java – log4j2: the location where the log4jcontextselector system property is set for asynchronous logging
I tried to set asynchronous logging in the rest web method currently running in the free profile server (for performan…… -
Select a Java Web Framework 2011
My question is based on the following question: choosing a java web framework now? The reason for my problem is that a…… -
How to make indexof case insensitive in Java
I have a simple question How to use @ L_ 419_ Make indexof case insensitive in 0 @ This question has been answered in …… -
Java: the reference to static context is similar to class self reference ‘this’, which is often used as the coding style
As mentioned in Python, I have been using class self - reference since the recent beginning of Java, whether it is man…… -
How do I find infinite loops in Java Web applications?
One day, the CPU utilization of our Java Web application reached 100% We try to find the problem by using kill - quit …… -
What methods can represent weighted directed graphs in Java?
I can't use any external libraries, so I try to think of some ways to build my own data structure I was thinking maybe…… -
Java EE – why are stateless beans considered pseudo scopes and cannot have circular dependencies?
Using wildfly 8.1, I have several beans, and I try to inject several EJBs into each other It can be said that I have t…… -
When to use ‘Java util. Objects.*’？
I'm browsing the seven functions of Java. They talked about Java util. Objects course What I can't understand is the f…… -
Java – file upload “multipart / form” exception org apache. commons. fileupload. FileUploadBase $InvalidContentTypeException
I tried to upload a file using Apache commons, but threw the following exception org. apache. commons. fileupload. Fil…… -
Java – classpath problem using xpathfactory
I encountered the following exception on one of the real-time servers (other servers running the same code seem to hav…… -
Java – J2ME networks, threads and deadlocks
The simple MIDlet code (class MOO) is locked (after excerpt) (at least I think it is locked after reading this article…… -
java – . Time format used in ICs file?
I'm creating one in Java ICs file, I need to know the date and time format to use This is the current format of my ICs…… -
Why is BigInteger in java designed to be immutable?
In Java, BigInteger is immutable, but I want to understand why, because it is often used to do many calculations that …… -
java – MyBatis 3.0. 1 insert questions
I decided to move one of my projects from ibatis to mybatis and encountered an insertion problem mapper xml： <?xml…… -
Java – read and write files that contain UTF – 8 (different language) characters
I have a file, It contains the following characters: “Joh 1：1ஆதியிலேஆதியிலே்த்தைதை்தது,அந்ததவாரதததைதைதைதைதைதைதைதேவனிட…… -
Java – how do I remember the last value in the swing GUI form?
I have a simple java GUI form made with swing It has some text input and check boxes, and I want it to remember the la…… -
Simple java pyramid – using system out. Printf() format output
Objectives: I am trying to generate a pyramid similar to the format given below This requires a basic Java program tha…… -
Java – realmobject and Parcelable
I'm new to real for Android, so I'm not sure if I'm getting close to this problem correctly I have a class that looks …… -
Java – get the first 10 values in the hash map
I tried to figure out how to get the top 10 values from HashMap I initially tried to use treemap and sort by value, an…… -
Java optimizer and redundant array evaluation
This is a very basic problem about Java optimization If you have a simple for loop, iterate over the array and use arr…… -
Java – CRC-16 with 0xa001 polynomial
I want to calculate CRC - 16 checksum of byte array with 0xa001 polynomial But I really don't know how to use it in Ja…… -
Java – intercept exceptions
I want to use custom exceptions so that a user - friendly message appears when any sort exception occurs What is the d…… -
Java – problems received in rxtx
I've been using rxtx for about a year without too many problems I just started a new program to interact with a new ha…… -
What is the Java template engine / API for creating text files?
I want to create files in different formats in Java - based web applications These files are plain text files without …… -
Java – where is the Apache hive jdbc driver for download?
I need to connect to hive. Com from a java program via JDBC However, I can't find the jdbc driver itself (jar file) an…… -
Java toString for debugging or practical logical purposes
This may be a very basic question. If you have raised this question, please apologize The reason I asked is that I hav…… -
Java – conversion from bufferedimage to SWT image
After careful consideration, I found some codes to convert buffered image into SWT image (I won't read it for now): pu…… -
java – identity. Viewexpiredexception after logout(); In JBoss seam
After my authenticationfilter redirects to the login page, I want to exit to the user That's why I put identity logout……