包含标签：Java 的文章
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Java – use progress bar in file search
I am writing an application that will search for specific files from the corresponding path During the search process,…… -
Unable to change Java io. tmpdir
I'm trying to change Java. Net using this command io. TMPDIR directory java -Djava.io.tmpdir=/temporary This is not su…… -
Double vs long serialization in Java
I can store a number as long and double in HBase They all occupy 8 bytes in Java The advantage of using double is that…… -
java – EventQueue. invokeLater vrs SwingUtilities. invokeLater
Can anyone highlight the difference between the two? Both are required?! I have an application that uses both, but won…… -
How to write arrays to OutputStream in Java
I want to send multiple random values through socket I think arrays are the best way to send them But I don't know how…… -
Parsing currency strings in Java
Suppose I provide a string similar to "$123456,56.25" or "123'456.67" or something similar (with numbers and decimal p…… -
Can I write the end of a 5GB file in Java?
Can I write the end of a 5GB file in Java? The question appeared in my office, and no one was sure what the answer was…… -
Java – update Excel files using Apache poi
I'm trying to update an existing excel file using Apache poi Every time I run my code, I get an error, as shown below …… -
Java – spring AOP: @ annotation (annotation)
I (of course) try to maintain the project with many structures I don't know very well In trying to figure out the use …… -
Java – are there any side effects of using many static functions?
At present, I am very interested in game framework because it can promote faster development When I see the code, ther…… -
Java – create a custom tag library that extends the spring tag library
I want to create a custom tag library that should extend the existing spring MVC 3.0 tag library I want to do this bec…… -
Java – which continuous integration library do you use?
I used cruise control as the CI framework in my last project (I didn't find CruiseControl lacking, I just want to know…… -
Java – add date string 1 day
I have a date string newdate = "31.05.2001" I must add one day I tried the following code: String dateToIncr = "31.12.…… -
Is java heap memory continuous?
I've seen people comment that Java heap memory is continuous, and people say the opposite So, can someone give me a fi…… -
Java: how to cancel application exit
In one of my programs, I want to display a dialog when the user tries to exit the application The user must then choos…… -
Reinsert Na into vector
I have a value vector containing Na These values need to be processed by an external program that cannot process Na, s…… -
Java – why can’t I access my panel’s getWidth () and getHeight () functions?
I'm writing a simple program to test the basic GUI The program prints a letter in the middle of the screen, allowing t…… -
Bit level operations in Java
I'm trying to do something in Java to apply masks, representation sets, etc int one=1; int two=2; int andop=1&2; S…… -
Java – mongodb upsert exception invalid bson field
This exception: Exception in thread "Thread-1" java.lang.IllegalArgumentException: Invalid BSON field name id at o…… -
Multithreading – how do I make Perl threads without copying all variables?
I have a Perl program that would be very useful to use some form of parallelism But I have a lot of data in variables,…… -
Java – references files through classpath in the context of spring
I'm trying to set up org springframework. beans. factory. config. Propertyplaceholderconfigurer spring bean. I have JD…… -
Java – gradle compiles but does not run TestNG tests
We just started using gradle and TestNG in our project, so I'm checking if there are actually no test failures I was s…… -
Java – xssfcellstyle setfillforeroundcolor and setfillbackgroundcolor do not work
I try to use setfillforeroundcolor and setfillbackgroundcolor to change the cell color of Excel file But I failed. I r…… -
How to use long data types in Java?
See the English answer > the literal XYZ of type int is out of range It seems that I don't know how to use long dat…… -
Write the GUI programmatically, or use the advanced GUI editor (Java Swing)?
I intend to write a swing based application (using NetBeans 6.8) It seems that NetBeans has a very advanced GUI editor…… -
Java – vector vs ArrayList performance test
Everyone said that vectors should be used because of performance (causing vectors to synchronize after each operation …… -
Java – a better way to create AES keys than secure random
I need to send encrypted data from the Java client to the c# server Now I'm learning how to encrypt data using AES Acc…… -
Determine whether the document is doc or docx in a Java application without knowing its extension
There is a constraint in the content management system that requires all word documents with a specific extension to b…… -
Java converts GIF images to PNG format
I have to build a java servlet to receive images and return images converted to PNG format How can I do this? Thank yo…… -
Java – how to send a post request and get a file response?
I want to send post requests (such as HTML forms) and get files (HTTP Title: "content disposition: attachment; filenam…… -
Java – when the enumeration type reference is class How do I convert a string to an enumerated value?
I have code to set values on objects using the setter method One of the setters takes enum type as a method parameter …… -
Error message: “when debugging PHP with Xdebug and eclipse, the script is terminated unexpectedly, and debugging is over”
I encountered the following errors while debugging: PHP. Ini settings: xdebug.remote_enable=true xdebug.remote_host=l……