Java
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Java – weave yourself into a corner
We have a set of classes derived from a set of common interfaces IFoo-> BasicFoo,ReverseFoo,ForwardFoo IBar -> U…… -
Java – the usual hibernate performance trap
We have just finished configuring our application She's starting to slow down This is a legacy mapping Who works, do t…… -
How to eliminate the gap between large Java Swing Tags
In my application, I have a label with a font size of more than 200 This label contains large up and down (irregular) …… -
Java – how to convert string arrays to objects using gson / JSON?
I have a JSON like this: [ [ "Passport Number","NATIONALITY","REASONS" ],[ "SHAIS100","INDIA","" ],[ …… -
How to get the source code of web pages from Java
See English answers > How do you programmatically download a web page in java8 > http://www.cumhuriyet.com.tr?hn…… -
Java – can I specify a class wide group on a TestNG test case?
I have a base class to represent database tests in TestNG. I want to specify that all classes extended from this class…… -
Which mobile phone supports which J2ME (Java Micro Edition) specification?
I can't find the latest chart on which mobile device supports which Java I'm particularly interested in Nokia smartpho…… -
Java – Proguard does not obscure jar dependencies
I have a project with POM given below XML file When I issue the command MVN clean compile assembly: single install, I …… -
Java – optimistic cache concurrent design pattern
I have a web service running on a set of servers The network service performs some internal processing, and then you c…… -
Code snippet for creating a file from the contents of a blob in Java
I have some files stored in the blob column of the database in Oracle 9 I want to store those files in the file system…… -
“Synchronized (this)” vs. “synchronized ((baseClass) this)” in Java
Is this variable being safely accessed by using synchronization? Heirs of For the following procedures, Class SubClass…… -
How to configure Java imported organizations in NetBeans
At present, NetBeans (I use version 7.3.1) has the built-in function of organizing java file import through the menu s…… -
Java – what about Dagger’s custom range?
How to create a custom range with dagger? Are there any guidelines? I didn't find them I am developing vaadin applicat…… -
java. Lang.illegalstateexception: cannot perform this operation after onsaveinstancestate: – fragment error
Hi, I use segment a and the second segment B. call B and use the asynctask method, but I use this first time, it works…… -
Java – who defines state transitions in state patterns?
I understand that the state pattern can be used to simulate objects that change behavior according to States and vario…… -
JavaFX in enterprise web applications – a good alternative to traditional web pages?
We have developed several web applications for different customers, from a simple and boring crud style GUI to a favor…… -
Java – can I register a receiver in a test case?
I want to test whether the alarm programmed with AlarmManager is triggered in the unit test. If so, it will be trigger…… -
Do a “memory dump” Java application?
I have Java applications that unfortunately start consuming considerable memory after a period of time To complicate t…… -
Java – configure spring security to use custompasswordauthenticationfilter
I have implemented my own lowercaseusernamepasswordauthenticationfilter, which is just a subclass of usernamepassworda…… -
Can I use two Java classes with the same name and the same package?
Can I import and use two different classes with the same name and package in Java? For example, suppose I have two cla…… -
Java – thread exit and uncapped exception: no stack trace
My application is causing a forced shutdown somewhere instead of using the usual (and very informative) stack trace in…… -
Java – how to clear bad characters that are not suitable for utf8 encoding in MySQL?
I have dirty data Sometimes it contains characters like this I use this data to query WHERE a.address IN ('mydatahere'…… -
Java – how to get int values from a spinner
I use NetBeans 7.1 to write Java I have a JFrame. I have a spinner with integer value on it. I want to know how to get…… -
Java – simulate a spring validator when unit testing the controller
When coding the unit test postmortem into the code created by another project, I encountered the problem of how to use…… -
Java – relative to the current date in the Dbunit dataset
I wonder if there is any way to specify, for example, tomorrow as the date in the Dbunit XML dataset Sometimes the cod…… -
Java: datainputstream replaced with byte order
The following is my code to replace datainputstream to wrap an InputStream, but in addition to the common method of re…… -
Java – spring: file upload restful Web Service
I am using spring 4.0 to create a PoC for restful web services @RequestMapping(value="/getcontent/file",method=Request…… -
Java – deploying spring boot applications in Weblogic
I deployed a spring boot application in Weblogic 12C 10.4. 4 403 prohibit the server from understanding the request, b…… -
java – WSContext. Getuserprincipal() returns null for password digest validation
In my web service, I need to record the caller's ID, but wscontext Getuserprincipal() returns null, even if the user a…… -
What’s the difference between Java’s equals () and C’s operator = =?
When a question regulating the use of typeID is C, I suggest it can be used to compare types in objects I don't see it…… -
Java – how to use hibernate to insert data as soon as possible
I read the file and create an object from it and store it in the PostgreSQL database My file has 100000 files. I read …… -
Reading HTML files into DOM trees using java
Is there a parser / library that can read HTML documents into DOM trees using Java? I want to use the standard DOM / X……