包含标签：Java 的文章
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Java – a strange way to pass parameters to methods
I was browsing the Java API code for exchange web services and saw the design choices of the methods developers passed…… -
Java – Marshall with xjc creates nested classes
<ProductInformation Context="GL"> <ProductInformation Context="GL"> <Assets> <Asset ID="assetI…… -
~ 1s delay control application: is this applicable to Java?
In my work, we recently completed the system architecture for controlling applications, with a maximum delay of about …… -
Java – how to ensure FIFO execution order in ThreadPoolExecutor
I use this line of code to create a ThreadPoolExecutor: private ExecutorService executor = new ThreadPoolExecutor(5,10…… -
Java compatible cksum functionality
Is there any library / code in Java that computes the 32-bit CRC of the byte stream in a manner consistent with the ck…… -
Java – can multiple categories be excluded from JUnit 4?
What I want to do is as follows: @RunWith(Categories.class) @Categories.IncludeCategory(Small.class) @Categories.Exclu…… -
Java – additional properties of spring
For jQuery mobile, I need tags, such as: <form action="..." method="get" data-ajax="false"> <!-- Fields -…… -
Minimize application data memory overhead in Java processes
I need to store a lot of data (objects) in memory (for calculation) I just want to know if there are any libraries for…… -
Java – check for link corruption
I try to use java to find all broken links in web pages This is the code: private static boolean isLive(String link){ …… -
Java – the best way to authenticate users in Web Applications
I'm looking for ways to authenticate users in web applications, but the main web applications don't need to handle pas…… -
Can “atomic” interrupt checking be performed in Java?
If you use the following "idiom" interrupt in Java, for example, from this answer while (!Thread.currentThread().isInt…… -
Java – use ant to execute absolute paths instead of relative paths
My ant script has the following code snippet It works well: <exec executable="C:\test\foo\programName.exe" /> Bu…… -
Java – how to avoid resetting fileuploadfield at the end of a request in wicket
I have a wicket form with fileuploadfield and more text fields Verification of correctness fails when required fields …… -
Java – why do fuzzy errors occur when using varargs overloads of primitive types and wrapper classes?
See English answers > ambiguous varargs methods4 Case 1 public class Test { public void display(int a) { …… -
Java – libgdx changes the color of the texture at run time
In a game made with libgdx, I have a textureatlas in which I store all textureregions for player animation By default,…… -
How to inject @ named bean into JUnit test
I'm trying to inject @ named bean into JUnit test This applies to my EJB module, but the same method in my war module …… -
Entity Framework – Entity Framework optimistic concurrency exception
Should I maintain the timestamp property on my model class to enable optimistic concurrency for data updates and delet…… -
Java – maven – cannot activate a configuration file in a multi module project
I have encountered some difficulties in configuring our project with Maven and need some help:) For example, I have a …… -
Equivalent to computeifabsent in Java 7
Is there any way to run a piece of code only when there is no key in the concurrenthashmap and save the results of the…… -
Java – how to make the callable task submit to executorservice timeout
I submit the callable task (using submit()) to the implementation of executionservice Occasionally I seem to encounter…… -
Java – xStream serializes null values
Suppose I have class Student { String name; int age; String teacher; } then: public class App1 { public static …… -
Java – use the domain alias account in appengine to send e-mail
I created an App Engine Application owned by x@foo.com. Foo. COM is a Google App account I've also added bar to the Go…… -
Should variables always be declared using interfaces in Java?
People often see the suggestion that variables should be declared with an interface rather than implementing a class F…… -
Java – how do WhatsApp and instant messaging applications run in the background without persistent notifications in Oreo?
What did I learn from stack overflow and Android documentation Unable to create background service for continuous task…… -
Java – deserialization version conflict
My question is, what is a good way to upgrade obsolete objects? For example, suppose you have a class like this: publi…… -
JavaFX – use FX: ID as CSS ID in fxml
It seems that if no ID (CSS) is specified in F XML, the FX: ID value is used by default My previous understanding is t…… -
How to modify the month value of dateformatsymbols
I'm trying to add a specific month name for a specific locale For example, the code is generated in January, February,…… -
Java – drawerlayout on the actionbar
When using drawer layout, is there any way to overlay the drawer view on the operation bar? I don't want to hide the a…… -
Java – how is it possible to use @ retention annotation recursively?
In the source code of @ retention annotation in Java, @ retention is used in its definition, which is possible Even re…… -
Java – how to build a basic terminal from scratch
I have checked some suggestions or instructions including stack overflow online, but anything I find is overwhelming. …… -
How to delete “is” from a Boolean getter generated by JAXB
JAXB is generating the following methods: Many class methods are generated, so it is not feasible to customize the gen…… -
java – Random. Problems with nextgaussian()
Random. Nextgaussian () should give a random number no.s, with a mean of 0 and an STD deviation of 1.0 Solution A Gaus……